I believe to get all the Achievements, you may have to play the game twice. Three achievements require low morale to acquire, and by doing the other quests and achievements, you won't have low morale. Whether or not you need to play the whole game for the last three achievements is something I don't know yet.

• Cutscene with Lynn.
  
• Shoot the 4 drones before ammo/time runs out.
  
• Shoot the 4 soldiers before ammo/time runs out.
  
• Exit the room and walk to the right. Go downstairs.
  
• Fight 2 soldiers.

7th Floor

• Cutscene Briefing
  
• The Training Room will be to the right. Take the empty spot on the range to complete the combat tutorial.
  
• The screen to the left can explain Status Effects to you.
  
• There is a chest containing a Concussion Grenade by the desk in the bottom right.
  
• Exit the Training Room and go left. Speak with the Sergeant Major by the elevator. You will get a morale boost.
  
• Keep going left and interact with the vending machine for a Power Bar.
  
• Now enter the cafeteria to the left.
  
• Speak to the Kitchen Clerk with a mop to acquire a Cracked Card (Achievement: Inner Core | Side Quest: Ominous Room).
  
• Speak to the topmost Kitchen Clerk behind the counter to get a Protein Shake. How nice of them!
  
• Return to the Training Room and speak to the Weapons Specialist behind the desk to get an Elevator Card. (Achievement: Inner Core | Side Quest: Ominous Room)
  
• Now head to the elevator and go to the bottom floor. (Achievement: Inner Core COMPLETE | Side Quest: Ominous Room)

Bottom Floor

• Open the chest for the Weapon Upgrade Document. (Achievement: Tech Support)
  
• Interact with the monitor in the top right for the Omnious Room note.
  
• Exit the room and go to the Barracks.

5th Floor

• Go right and speak to the Friendly Soldier sitting at the table. He will give you Protective Gel.
  
• Go all the way to the right for a chest containing a Smoke Grenade. The bookshelves next to it will explain what it does.
  
• Head into the showers.
  
• Cutscene with Adair.
  
• Head to the left and speak to Sgt. Branna next to the table. Say “I’m the best for the job” for a morale boost. (Side Quest: Finding Inspiration)
  
• Before you go to bed, head back to the Command Headquarters with the elevator.

7th Floor

• Head to the right to the Training Room.
  
• Speak with the Pessimistic Soldier by the desk and receive a morale boost. (Side Quest: Finding Inspiration COMPLETE)
  
• Speak with the Weapons Specialist behind the desk to get an Upgraded SD-M Sniper Rifle. (Achievement: Tech Support COMPLETE | Side Quest: Ominous Room COMPLETE)
  
  
• Now we can go to bed! Head back to the Barracks from the elevator.

5th Floor

• Head left to go to your room. Interact with the bookshelves next to your computer. (Unsure if this is still in the game, but another guide mentions it for The Perfect Shot)
  
• Go to sleep.
  
• Check your old uniform pockets for a Power Bar before you leave.
  
• Head to the elevator.
  
• Cutscene with Lt. Gareth

• Cutscene with Adair on train (Achievement: Hello World COMPLETE)
  
  
• Walk right to join your squadmates.
  
• Before climbing the building on the left, get the chest for 2 Apples.
  
• Climb the building on the left here, and say “Yes” to begin the mission. Snipe 4 targets.
  
  • 1 to the right of your starting position
    
  • 1 to the right, in front of the building
    
  • 1 to the bottom left behind the trees
    
  • 1 to the top, smoking
• Climb down and go to the left building and say “Yes” to begin the next mission to snipe 4 more targets.
  
  • 1 sitting to the left of the starting position
    
  • 1 standing to right of the starting position
    
  • 1 standing just above starting position
    
  • 1 further up
• Go right, and keep going right to join your squadmates.
  
• Start heading up and interact with the house immediately in front of you. Suggest looking for her friend. (Side Quest: Underground Rumours)
  
• Head left and speak with the Diligent Medic by the body. (Achievement: First Aid Delivery | Side Quest: First Aid Delivery)
  
• Speak with the black haired Unsure Soldier in front of the house to the right to give him a Bandage. Note: You need to be standing next to him to do so. (Achievement: First Aid Delivery | Side Quest: First Aid Delivery)
  
• Head back down to speak to the Helpful Soldier that you saw when you first entered the map. (Side Quest: Underground Rumours)
  
• Return to the first house in the North and interact with it. Go inside. (Side Quest: Underground Rumours)
  
• Locate the picture of a Saint and push the dresser aside. Go inside the hidden entrance. (Side Quest: Underground Rumours)
  
• Open the chests to get an Apple, Bread and Cola Drink.
  
• Exit the house for a morale boost. (Side Quest: Underground Rumours COMPLETE)
  
• Head around the building to go further up, then go to the right by the raven to get a chest containing 2 Berries.
  
• Head up.
  
• Talk to the Unsure Soldier to the left to give them a Bandage. (Achievement: First Aid Delivery | Side Quest: First Aid Delivery)
  
• Talk to the Confident Soldier to the right to give them a Bandage. (Achievement: First Aid Delivery | Side Quest: First Aid Delivery)
  
• Return to the Diligent Medic before continuing to hand in the quest and get a morale boost and receive an Adrenaline Shot. (Achievement: First Aid Delivery COMPLETE | Side Quest: First Aid Delivery COMPLETE)
  
  
• Now return to the North map and keep heading North into the alleyway.
  
• Cutscene with Lt. Gareth.
  
• Head down and speak with Capt. Idwal in front of the brick house. You will lose morale.

• Cutscene with Adair, leave to continue the cutscene
  
• Say "Pretend not to hear" and be absolutely iconic. You also get a morale boost. (Achievement: Can't Hear You)
  
  
• Adair joins the party!
  
• Head south and down the right side of the wired fences to open a chest for a Cola Drink.
  
• Before going further south, head left and talk to the Pessimistic Soldier in front of the door of the house. You will give her Berries. (Side Quest: The Hungry Soldier)
  
• Speak with her again. You will give her an Apple and get a morale boost. (Side Quest: The Hungry Soldier COMPLETE)
  
• Now we can head South and enter another cutscene!

• Head right, then north when you can.
  
• Head back down and to the right. Stop to pick up the purple plant. (Side Quest: Medicinal Herbs)
  
• Head right, and up the hill, and oh look... the bridge is broken.
  
• Head up and around, and down the ladder. Open the chest for 3 Belladonna
  
• Then interact with the wooden planks below you.
  
• Go back round to interact with the broken bridge so you can cross.
  
• Cross the bridge and pick up the purple plant before going right to the next area. (Side Quest: Medicinal Herbs)
  
• Head right until a cutscene starts... and fight! Say "We can't reason with this thing" to increase Adair's morale. Your reward is 3 Berries or Restore 8 SP to all members
  
• Start heading back the way you came for a cutscene. You will lose morale.
  
• Once back on the map with the shack, you cannot return to previous maps.
  
• Go inside the shack to the left, and move the loose board. Remember this is here. (Side Quest: Secret Campsites)
  
• Head to the right and pick up another purple plant, before continuing right. (Side Quest: Medicinal Herbs)
  
• Follow the path and head south to the puzzle first. Push both rocks southwards to get through.
  
• Pick up the purple plant and open the chest for a Chocolate Bar (Side Quest: Medicinal Herbs)
  
• Head up and right and follow the path until you come across a drone. Your reward is 2 Apples or Restore 12 SP to all members
  
• Head North and climb the ladder. You will see a path going into the wall of trees. Follow it then head north to find tents.
  
• Interact with the right tent to get a Mysterious Shot
  
• Interact with the radio on the right. You will learn the code is 07734 for the mysterious shack and receive a note with the code. (Achievement: The Lost Raven COMPLETE | Side Quest: Secret Campsites)
  
  
• Return to the ladder, but don't go down it. Go right to get the purple plant and get Herb Oil. You will also get a morale boost. (Side Quest: Medicinal Herbs COMPLETE)
  
• Keep going right and go down the ladder. Pick up the chest for a Concussion Grenade
  
• Head right into the next map and pick up the two chests for a Bread and Cola Drink
  
• Up the ladder and to the left for a chest containing Sweet Cookies. Now we head all the way back round to where we fought the drone. We're heading back to the abandoned shack from before now. You must do this before you go to the next area.
  
• In the shack, input code "07734". You will receive 2 Berries, a Cola Drink, a Chocolate Bar and Bread. (Side Quest: Mysterious Campsites COMPLETE)
  
• Now back to where you fought the drone again, and keep going right to the bridge.
  
• As you proceed, you will reach another rock puzzle. Push the first rock north twice. Go to the northmost rock and push it twice too. You will get a chest with an Adrenaline Shot. Now go to the southmost rock and push it once. Push the rightmost rock twice and continue on your path. There is a raven just to the right to save.
  
• Oh look, more soldiers. Say "We are betraying our very own values!" for a big morale boost.
  
• Rourke learns Warning Shot and Breathing Technique. Adair learns First Aid.
  
• Continue on the path to the right for a cutscene.

• Now we're at the Riverbank. Uh oh, we're now in a bit of a bad spot. Steal disguises from the clothing line!
  
• Head right for a cutscene. Good luck understanding anyone! (Side Quest: Communication Breakdown | Achievement: Hidden in Plain Sight)
  
• Head right and open the chest for Sweet Cookies. Keep going right.
  
• Instead of following for now, go to the bottom right of the square. Go inside the fruit stand and interact to the right for a Apple. Also interact with the vending machine for Chocolate.
  
• Now go back to following everyone down the side of the church to go to the North Side. You'll see a large group of people. Talk with the Purple-Haired Girl and Man with Blue Jacket. They will introduce themselves as Lynn and Ivan, and invite you to their home.
  
• Speak with Lynn to start the cutscene. Rourke and Adair don't know how to be normal and it's so funny
  
• Lynn and Ivan have joined the party! (Achievement: Good Samaritans COMPLETE)
  
  
• Before you leave the house, interact with the newspaper on the coffee table! (Side Quest: Breaking News | Achievement: Newspaper Collector)
  
• Exit the house and head South then left to talk to Cat-lover Girl who is petting a cat. Agree to help her. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Head to the right to pick up the chest with a Power Bar.
  
• Start heading back up, talking to the dog to pick him up. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Now go into the house beside Ivan's. Read the newspaper then speak to the man, Gleb. Agree to help him. (Side Quest: Breaking News | Achievement: Newspaper Collector | Side Quest: Stay Together)
  
• Before leaving, interact with the cabinet in the top right for Bread
  
• After seeing what's happening with the store, return to Ivan's House. Speak with Lynn and "Change the subject" for a morale boost for Lynn.
  
• Then speak to Ivan and ask him about the letter. Ask him to translate it. Ivan will lose morale. (Achievement: Hidden in Plain Sight COMPLETE | Side Quest: Communication Breakdown COMPLETE)
  
  
• Exit the house again and go to the broken in convenience store. Take the Med-Kit on the shelf. (Achievement: Victimless Crime COMPLETE)
  
  
• Leave the store and continue left to return to the town square. Speak with the fruit vendor. (Side Quest: Stay Together)
  
• Head to the town square and speak with the Grizzled Man in front of you. Say "We can't run forever" then say "Let's help however we can". You will receive a big morale boost to Rourke and Adair. The man will introduce himself as Leonid.
  
• Head up and pick up the cat outside the children's home. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Head into the church north of the fountain, and speak with the Worried Mother holding a baby. Agree to help her. (Side Quest: Another Man's Treasure)
  
• Speak with the man next to the stockpile of donations. (Side Quest: Stay Together)
  
• Leave the church and go down the side of it. Talk to the cat as you pass, before you go to the North Side. Also speak to the dog just as you enter the North Side. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Go left and try to enter the Pharmacy. Say "We just need to buy something". When you enter, interact with the cabinet on the right to get a Power Bar.
  
• Interact with the Drugstore Clerk and say "Maybe we can make a trade" and Offer him Equipment. (Side Quest: Another Man's Treasure)
  
• Let's leave now, and return to the Town Square. We're now going to go to the South Side.
  
• Head down and enter the house on the right to meet Leonid. You will receive a AC-99 Assault Rifle, SM-2 Goresk and Mosant Rifle. Remember to equip your new weapons!
  
• Interact with the newspaper. (Side Quest: Breaking News | Achievement: Newspaper Collector)
  
• Exit and head left. There's a newspaper on the ground. Then go open the chest for a Windbreaker. (Side Quest: Breaking News | Achievement: Newspaper Collector)
  
• Head to the bottom of the South side. On the right there is a dog to talk to, hidden by the trees. On the left, there is a cat. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Head back to the town square, then head left to the Town Entrance. Speak to the dog outside the bar. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Knock on the door to the bar. Once they let you in, go to the bar and interact with the newspaper. (Side Quest: Breaking News COMPLETE | Achievement: Newspaper Collector)
  
• Talk to the man behind the bar. He will give you 3 Bar Memberships.
  
• Exit the bar, and talk to the woman to the left to give her a Bar Membership.
  
• Continue left and interact with the trash bin to get your Helm xz. 2015. (Side Quest: Another Man's Treasure)
  
• Interact with the cat. (Achievement: Quotidian Angel | Side Quest: For The Strays)
  
• Now go inside the Riverbank house and speak with Gleb's mother. She will ask you to pick up a picture of a Saint, yellow flowers and a toy. Interact with the cooker on the right side first for Berries, Chocolate Bar and Bread. Speak with Gleb's mother after all that and you'll return to Gleb's house. You will get a morale boost. (Side Quest: Stay Together COMPLETE)
  
• Before you exit Gleb's house, speak with his mother to receive 8 Apples.
  
• Exit and go South, and speak with the woman standing outside the house now. (Side Quest: The Lost Girl)
  
• Now go left, and speak with the girl petting the cat again. You got all the animals! You will receive a morale boost and a Lucky Amulet (Achievement: Quotidian Angel COMPLETE | Side Quest: For The Strays COMPLETE)
  
  
• Let's start heading back to the Town Square. Speak with the man to the left of the fruit stand to give him a Bar Membership. Then speak to the woman just beneath the fountain, talking to a man, to give her the last card.
  
• Then we head to the North Side and speak the little girl with blonde hair. (Side Quest: The Lost Girl)
  
• Before we chase her, we need to go into the Pharmacy and give the helmet to the Clerk. (Side Quest: Another Man's Treasure)
  
• We return to the Town Square and enter the Church. We can help the baby! You get a big morale boost! You also receive a Plastic Soldier Toy. (Side Quest: Another Man's Treasure COMPLETE)
  
• Now exit and speak to Mila just beneath the fountain. (Side Quest: The Lost Girl)
  
• I guess we're going after her again. Let's follow her to the Riverbank. Here we speak to her again. And a healthy dose of trauma and guilt for Rourke. (Side Quest: The Lost Girl)
  
• With Mila, we can go back to the East Side, where Ivan's house is, and go south to speak with Mila's Mother. We receive a Leather Ushanka and a morale boost! (Side Quest: The Lost Girl COMPLETE)
  
• Go back inside Mila's house, and interact beside the sink. You will get Sweet Cookies.
  
• With everything done, we can return to the bar. Speaking to the Smoker gives us 2 Molotov Cocktails. When we exit, Ivan gets a call, and now we will head to the Children's Home by the Church.

• Cutscene! Bye Adair and Ivan for now! Nothing better happen to my boys! Say "Good to know" for a morale boost to both Lynn and Rourke. Now Lynn leaves.
  
• Let's head upstairs and go to our perch from the start of the game :) A cutscene plays out and Lynn rejoins immediately. Lol.
  
• This is followed by a battle. Our reward is Sweet Cookies or Restore 8 SP to all party members.
  
• Head left to the Town Entrance. You don't HAVE to help this battle, but doing so will give you morale. You will also receive a Bear Keychain or Restore 10 SP to all Party Members.
  
• Head back to the Town Square and go to the left for the chest containing Safety Googles
  
• Now we head South. We fight two more soldiers and our reward is 3 Bread or Restore 8 SP to all party members.
  
• We continue onwards to the South Side and... they may not be armed, but we are! Adair and Ivan rejoin the party. Your reward is 2 Gauze or Restore 10 SP to all party members
  
• Go south then right for a chest containing 2 Power Bars
  
• Afterwards, go back up and enter Leonid's house. Interact with his fridge for 2 Bread. then interact with the cabinet to the right of the coffee table for a Heavy Coat. Go out the back door and go through the hole in the wall.
  
• Follow the path around until you see two people by a burning barrel. Give them a Smoke Grenade and Molotov Cocktail. They will give you a Construction Helment (Side Quest: Replenishments COMPLETE)
  
• Speak with the man by the gate. Off on a detour! Let's head left.
  
• If you push the rocks out the way on the left then climb up the left ladder and down the right, you can avoid fighting the drone. If you choose to fight the drone, you will receive a Concussion Grenade or Restore 8 SP to all party members.
  
• You want to climb the ladder anyway for a chest with a Cola Drink and Smoke Grenade
  
• Exit to the right.
  
• You'll see two soldiers threatening a girl. You will receive an Adrenaline Shot or Restore 12 SP to all party members. The girl then gives you Gasoline and a Molotov. Now we can go back to the gate and open it.
  
• We follow the path round until we're back in the East Side where Ivan's house is. Head north towards it.
  
• Uh oh, time to go help.
  
• Adair learned Area Heal! When you're ready, let's leave to get moving again.
  
• Thankfully you're all healed up for the next fight because you're going to need it! During the fight, you are prompted to speak. The options in order are 3, 1, 3. Each answer will increase party morale. You also receive a Polish Beret and Vitas-ML (Achievement: The Art of Persuasion | Achievement: Dissolve COMPLETE)
  
  
• I believe this has two potential endings. We go into cutscenes now :)

• Before arriving in the city, you're on the ferry. You head inside, and go find Lynn and Ivan. You will get a morale boost :) Don't you love friends?
  
  
• Complete the interview and scurry away!
  
• Continue heading South. We're back to not understanding anyone! After a short cutscene in the City Centre, you can go speak to Lynn and give her Sweet Cookies. She will get a morale boost. Afterwards, speak to the girls at the bus stop.
  
• After we've spoken to them, we head upstairs to talk to the first man. He directs us to the Apotheke. We walk there and go past it to the East.
  
• There is a vending machine beside Roter Hering. Interact to get a Cola Drink
  
• Now head east a little more to find the reporters and start a cutscene. We get to meet Atiye and Zoe! (Achievement: News Flash!)
  

• Now with a German translator, we can return to that patio above the bus stop and interact with the newspaper! (Achievement: Newspaper Collector | Side Quest: Breaking News Pt. 2)
  
• We continue left after acquiring that, and go past the NSB Building to get the newspaper on the bench. (Achievement: Newspaper Collector | Side Quest: Breaking News Pt. 2)
  
• South and a little right of the NSB Building there is an alleyway. Follow it round and up the ladders to find a chest with 2 Protective Gels
  
• Return to the Centre, and south of the bus stop is another alleyway. Interact with the newspaper just down and to the right on the bench. (Achievement: Newspaper Collector COMPLETE | Side Quest: Breaking News Pt. 2 COMPLETE)
  
  
• Interact with the vending machine beside Astromart to get a Cola Drink. We can then go into the Hostel to the left of the Astromart.
  
• Now you get to choose who you want to room with. Each gives a different reward. Save before you pick anyone, as each gives an achievement.
  
• Choosing Lynn gives you Stray Cat Keychain (+6 ATK +2 AGI +2 LUK). I believe certain dialogue choices give morale, but I'm not sure. (Achievement: Black Cat COMPLETE)
  
  
• Choosing Ivan and picking "Coat the pork in flour, then the egg mix, and cover in bread crumbs" then "Wait until the oil is a bit hotter" will get you 3 Perfect Pork Cutlets (Restores 200 HP and 33 SP) and a morale boost with you and Ivan. (Achievement: Top Chef COMPLETE)
  
  
• Choosing Adair gives you Medic Armband (+2 AGI +5 DEF +3 LUK). I believe certain conversation choices give morale, but I'm not sure. (Achievement: Inventory Control COMPLETE)
  
  
• The night will conclude with a cutscene.

• Looks like Atiye is late! Try leave to look for her.
  
• Return to the city centre and talk to the man outside the Pharmacy and help him. You can just talk to the people within the City Centre to hand them all out. Save before you return to talk to the man. (Achievement: Glossophobia | Side Quest: What Can You Do?)
  
• Agree to go to the event, and mess up the speech. Don't speak about the war. (Achievement: Glossophobia)
  
  
• Now reload your save, and let's do it right. The correct options are 1, 3, 2 and you receive a party morale boost! (Side Quest: What Can You Do?)
  
• After this, head right from the City Centre and return to Roter Hering. Speak with the woman at the right, and agree to help her. You can find the first street art back in the same area as the Hostel but to the right. (Achievement: Overtime | Side Quest: Paint This Town)
  
• Head back to the City Centre and go left. Take the small alleyway just as you enter. You'll find the second artwork here. (Achievement: Overtime | Side Quest: Paint This Town)
  
• Come out the alleyway and before you return to the City Centre, interact with the missing dog poster on the wall! (Achievement: Why Wouldn't You? | Side Quest: Dog Tags)
  
• Now let's get on with the main quest. Return to the City Centre and go up the stairs in the North and enter the building. Check the door on the right.
  
• Interact with the computer, then the photo on the fridge. Input the password on the computer.
  
• Cutscene, then we exit the building to take the subway just below it.
  
• We will have another short cutscene, then speak to the homeless man again. (Achievement: First Come Fist Served | Side Quest: Another Place and Time)
  
• Go left and see the dog. Don't pet it! You will receive 2 Sweet Cookies(Achievement: Why Wouldn't You? | Side Quest: Dog Tags)
  
  
• Head down the alleyway below for a cutscene.
  
• Climb the ladder to get the chest with aPower Bar then follow it round and take a photo of the graffiti by the door. (Achievement: Overtime | Side Quest: Paint This Town)
  
• Climb back down the ladder and head east to find tire tracks. Head inside the doors above them.
  
• Follow the path and pick up the blue pin. Then head up the ladder to the broken Tripod. Go along to the right for a chest with 2 Apples
  
• Head back down, to the flashing green light and interact with it.
  
• Exit the building and head back to the Subway. Once in the City Centre, let's hand in the photographs at Roter Hering first. You will get a Loose Hoodie (Achievement: Overtime | Side Quest: Paint This Town)
  
  
• Now let's head left, and then left again from the City Centre. We're going to the NSB HQ.
  
• Follow Atiye and Matthias to a cutscene. Afterwards, head back to the area with the Hostel and go to the building on the right. We enter a cutscene. And here we learn Atiye is kind of a disaster, love her for it.

Achievement Guide by SummoningFailed
Walkthrough by iknowyouloveloki
sonOFJenova comment on the first guide