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