Below is a walkthrough for the collectibles found in Chapter 9 of Stray.
B-12 Memory
This memory is obtained automatically as part of the story.
Scratch
At the beginning of the chapter, head up the ladder on the left then look next to the two robots sitting on a bunk bed to find some wood leaning against the wall. Scratch it!
Cat-a-strophe Trophy
At the beginning of the chapter, head up the ladder on the left. Look ahead on your left to find 2 robots sitting at a table.
Jump onto the table to trigger the trophy!
B-12 Memory
After speaking with Zbaltazar at the top of this place, head down to where the robot is sitting on the couch watching TV. Facing this robot, look on the wall to the right to find the memory.
Plant Badge
For this badge, you must gather 3 plants. Facing the above memory, take a right and go behind the ladder.
From there, climb onto the tree and follow the branches to reach the Purple Plant.
Exit the tree and take a right. Jump into the bucket behind the 2 mahjong players.
After you descend, head to the 2 robots playing in the dirt by the tree.
Take the Red Plant. Head all the way back to the floor with Zbaltazar. Facing Zbaltazar, head right to reach a bar. Facing the couch in the bar, take the pipe on the left that swings around the back of the bar.
Grab the Yellow Plant on the pipe. With all 3 plants collected, head back to Zbaltazar. Facing this robot, jump onto the wooden box to the right.
From there, keep following the path up via the pipes. At the top, speak with the robot watering the plants.
Click here for the next walkthrough on the collectibles found during Chapter 10 in Stray!