Listed below in the "Walkthrough" are the collectables/secret items in the order in which you find them throughout the game. Each collectable is numbered and has a corresponding picture that identifies where to find it in game.
Enjoy!

Unannounced Game 1: Item 1/4

• Once you have entered the Expo, take a left to the Nvidia booth and the first collectable will be on top of the desk.

Unannounced Game 2: Item 1/4

• Enter the Carrion area, use the staircase to get to the second floor, walk toward the desk and it will be in front of you.

Unannounced Game 3: Item 1/4

• Prior to entering the Weird West area, pickup the white plastic bag that sits beside the end of the Carrion booth.

Unannounced Game 2: Item 2/4

• Once you're in the Weird West area, take the short staircase up to the tavern/general/bar store and pickup the cup collectable.

Unannounced Game 1: Item 2/4

• After exiting the lift walk toward the crates/boxes in front of you and pickup the cup collectable.

Unannounced Game 2: Item 3/4

• After entering the room projecting credits on the wall, search the small table to the left of the room for a cup collectable.

Unannounced Game 1: Item 3/4

• After entering the vent, look for the book collectable that is located in between the two possible vent pathways.

Unannounced Game 1: Item 4/4

• Located in the Blightbound area on the first table to the left.

Unannounced Game 3: Item 2/4

• Located in the Serious Sam 4 Area to the right of the projected screen.

Unannounced Game 2: Item 4/4

• Located inside the Fall Guys area, up the ramp and located on a small table. It can also be accessed by jumping on the trampoline to get to the second floor.

Unannounced Game 3: Item 3/4

• Located in the Shadow Warrior 3 area past the trailer, from here go inside the temple and it will be located under the statue's right hand should be a glowing collectable.

Unannounced Game 3: Item 4/4

• Before you equip the power glove and proceed to the boss fight, go to the enterance of the Olija area and pickup the bag collectable on the spear to the left.

Once you have found and picked up all collectables for a single unannounced game you will get a pop-up similar to the one posted below:

After completing the game and beating the boss, a webpage will popup giving you a brief look at Devolver's unannounced games. At this point if you had managed to find and pickup all the collectables for an unannounced game, it will be revealed to you on the webpage.



If you managed to collect all the secret items scattered across Devolverland for Unannounced game number 1,2 and 3, you will get a Steam achievement for each unannounced game set of Collectables you pickup over the course of the game.