Here is the full list of all 24 Stray achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Gather all B-12 memories.
Collect all badges.
Scratch in every chapter.
Die 9 times.
Sleep for more than one hour.
Complete the game in less than 2 hours.
Complete the game and open the city.
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.
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.
Complete the first Zurk pursuit without being caught.
Fall inside the city.