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