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