Here is the full list of all 54 Project UNSEEK achievements.
PLAYED SINCE STEAM NEXTFEST
Finish all tutorials
Play 10 games
Play 100 games
Play 1000 games
Win 5 games
Win 50 games
Win 500 games
Escape through the portal
Team up 5 times
Team up 25 times
Free 5 caught humans
Free 50 caught humans
Free 500 caught humans
Win a game as a human, where all humans are different humans
Use human’s or creature’s skill 100 times
Use human’s or creature’s skill 500 times
Use human’s or creature’s skill 1000 times
Use 5 items
Use 100 items
Use 500 items
Win 1 game as Jack
Win 25 games as Jack
Win 100 games as Jack
Win 1 game as Brittany
Win 25 games as Brittany
Win 100 games as Brittany
Win 1 game as Louis
Win 25 games as Louis
Win 100 games as Louis
Win 1 game as Greg
Win 25 games as Greg
Win 100 games as Greg
Win 1 game as Jennifer
Win 25 games as Jennifer
Win 100 games as Jennifer
Win 1 game as Christopher
Win 25 games as Christopher
Win 100 games as Christopher
Win 1 game as Dr. Plague
Win 25 games as Dr. Plague
Win 100 games as Dr. Plague
Win 1 game as Alien
Win 25 games as Alien
Win 100 games as Alien
Win 1 game as Boar Demon
Win 25 games as Boar Demon
Win 100 games as Boar Demon
In a game as Jack, stun the same creature with a Baseball Bat 4 times
In a game as Greg, boost every team member at the same time
In a game as Louis, trap a creature inside a smoke with Oil Can
In a game as Christopher, pray for at least 3 minutes without stopping
In a game as Jennifer, attach the calculator to a computer 5 times in a match
In a game as Brittany, use 15 items in a match