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