Here is the full list of all 32 Twogether: Project Indigos Chapter 1 achievements.
Teleport 10 times.
Teleport 20 times.
Teleport 50 times.
Teleport 100 times.
Use telekinesis to move objects 10 times.
Use telekinesis to move objects 20 times.
Use telekinesis to move objects 50 times.
Use telekinesis to move objects 100 times.
Use telekinesis to move the Rubik's cube.
Use telekinesis to lift a box while Sam is standing on it.
Cancel telekinesis and drop a box while Sam is standing on it
Teleport an absurdly long distance.
Teleport into a green light.
Be rendered unconscious by a green light for the first time.
Have both characters be rendered unconscious by green lights simultaneously.
Stay watching the projector in the ColorZone from beginning to end.
Successfully complete Sam's tutorial.
Successfully complete Rafi's tutorial.
Use the elevator to get to level 1.
Clear level 1's SecuRoom's puzzles
Clear level 1's BeltRoom's puzzles.
Clear level 1's UmbrellaRoom's puzzle by leaving the box on the platform.
Clear level 1's DoubleHeight room's puzzles.
Use the elevator to get to level 2.
Deactivate level 2's ColorZone's BLUEline security.
Deactivate level 2's ColorZone's GREENline security
Deactivate level 2's ColorZone's REDline security
Deactivate level 2's ColorZone's YELLOWline security.
Deactivate level 2's ColorZone's last security system.
Block both level 2's PurpleZone's green lights with a box.
Successfully reach the end of Twogether: Project Indigos chapter 1.
Clear level 1's UmbrellaRoom's puzzle without leaving the box on the platform.