The 2.0.5 Title update for Open Hexagon has 13 achievements.
Successfully login to the Open Hexagon server
Successfully send a score to the Open Hexagon server
Survive for 45s in "Pointless" at the highest difficulty multiplier
Survive for 30s in "Flattering Shape" at the highest difficulty multiplier
Survive for 20s in "Second Dimension" at the highest difficulty multiplier
Survive for 45s in "Apeirogon" at the highest difficulty multiplier
Reach level 6 in "Commando" at the highest difficulty multiplier
Survive for 30s in "Euclidian Plane Crash" at the highest difficulty multiplier
Survive for 30s in "Pi" at the highest difficulty multiplier
Reach level 6 in "Labyrinth" at the highest difficulty multiplier
Survive for 45s in "Golden Ratio" at the highest difficulty multiplier
Cube Complete all the "Cube" pack achievements at the highest difficulty multiplier