Perfect 100% Achievement Games
---Currently 10 perfect games:
click "View more info" to see the list

Carpe Diem
^ Catacomb Explorers (Terrible "game", no longer on Steam.)
Devolverland Expo 2hrs, Casual (Free to play)
~ Full Metal Furies
Galactic Conquerors
# Indecision. 4hrs
Ironclad Tactics
Maximum Override
Plan, The
Unstoppable Gorg Demo

* Highly recommended
# Disliked
~ Achievements require multiplayer to fully complete
^ Only counts in Steam's Perfect total, not on other tracker sites.