Here is the full list of all 14 Loopindex achievements.
Solve a level with a box.
Use the red directional floor arrows to complete a level.
Cross the river and complete the level.
Solve a level with robofrogs.
Complete level 16.
Complete a level using a bomb.
Successfully overcome the first shooters.
Complete your first level with an iman crane.
Use the teleporter to complete the level.
Complete the first level with treadmills.
Use the blue arrows to complete a level.
complete the pre-boss level.
Defeat the boss.
Solve a level with mice.