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