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