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.
Scratch in every chapter.
Complete the Sewers without killing any Zurks.
Complete the game in less than 2 hours.
Go through Midtown without being detected by the Sentinels.
Collect all badges.
Dunk the basketball.
Scratch the vinyl in the club.
Gather all B-12 memories.
Browse through all of the TV channels.
Complete the game and open the city.
Go to jail.
Reach Midtown.
Try to play mahjong with the robots.
Nuzzle up against 5 robots.
Bring all the music sheets to Morusque.
Jump 500 times.
Wear the paper bag.
Have B-12 translate a robot.
Meet B-12.
Meow 100 times.
Fall inside the city.
Die 9 times.