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