Here is the full list of all 24 Stray achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Scratch in every chapter.
Sleep for more than one hour.
Complete the game in less than 2 hours.
Scratch the vinyl in the club.
Complete the first Zurk pursuit without being caught.
Complete the Sewers without killing any Zurks.
Go through Midtown without being detected by the Sentinels.
Collect all badges.
Complete the game and open the city.
Gather all B-12 memories.
Go to jail.
Try to play mahjong with the robots.
Reach Midtown.
Nuzzle up against 5 robots.
Die 9 times.
Bring all the music sheets to Morusque.
Jump 500 times.
Browse through all of the TV channels.
Dunk the basketball.
Wear the paper bag.
Have B-12 translate a robot.
Meow 100 times.
Meet B-12.
Fall inside the city.