Here is the full list of all 17 Recursive Ruin achievements.
Start a new game.
Complete the first level.
Complete the second level.
Complete the third level.
Complete the fourth level.
Complete the mysterious fifth level.
Complete the sixth level.
Complete the seventh level.
Complete the eight level.
Complete the ninth level.
Complete the tenth level.
Complete the mysterious eleventh level.
Complete the twelfth level.
Complete the thirteenth level.
Complete the mysterious fourteenth level.
Complete Recursive Ruin
Complete watching the credits for Recursive Ruin