Since the game has a chapter selection system, there's no need to worry. You can confidently play through this short point & click game and enjoy it without stressing over missing anything. After completing it, you can always go back to any chapters where you're missing achievements.

Chapter 7: Diner
Unlocked after you filled the yellow courier droid for the third time.



Chapter 8: Hangar
Awarded after you give to the yellow droid a canister of oil in exchange for a screwdriver.



Chapter 12: Bazaar
Awarded after you defeat Slick (after telling him you’d shuffle the cards).



Chapter 13: Sewers
Unlocked after you pick up the wrench, completing your collection of all four tools (hammer, screwdriver, pliers, and wrench).



Chapter 18: Ancient's rest
You earn this achievement after taking off, marking the end of the game.

Chapter 2: Morning starts with exercise
Once your character wakes up, simply turn on the tape recorder beside the bed.



Chapter 9: Bus
Before walking out of the door when the bus stops, put the robot's head back on (thanks Pletterpet).



Chapter 12: Bazaar
Ensure you listen to each of the three music tracks by adjusting the frequency from left to right before returning the radio to Otta.



Chapter 14: Elevator
Have Tunduru repeatedly move left and right in the elevator until the achievement unlocks.



Chapter 16: Hydra
Fire your slingshot at the carnivorous plant several times until you get the achievement.