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