Here is the full list of all 24 Stray achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Gather all B-12 memories.
Scratch in every chapter.
Complete the Sewers without killing any Zurks.
Die 9 times.
Complete the first Zurk pursuit without being caught.
Scratch the vinyl in the club.
Go through Midtown without being detected by the Sentinels.
Collect all badges.
Sleep for more than one hour.
Bring all the music sheets to Morusque.
Browse through all of the TV channels.
Dunk the basketball.
Complete the game in less than 2 hours.
Complete the game and open the city.
Go to jail.
Reach Midtown.
Nuzzle up against 5 robots.
Try to play mahjong with the robots.
Jump 500 times.
Wear the paper bag.
Have B-12 translate a robot.
Meet B-12.
Fall inside the city.
Meow 100 times.