Here is the full list of all 32 Blocks That Matter achievements.
Complete 10 Bonus Levels
Start and finish "The Underground Rescue" in a single game session
Perform the longest possible fall in the game
Complete "An Ice Glitch" saving 4 blocks of sand
Complete "The Invader" without having burned a wood block
Complete 20 Bonus Levels
Collect 40 Stars
Complete "The Underground Rescue" with 100%
Complete all the Chocolate Update levels
Playtest a level you’ve created with the ingame level editor
Collect 40 Blocks That Matter
Collect 20 Stars
Collect a Green Star
Collect 3 BTMs made by french developers
Watch the credits until the end
Free Alexey and Markus
Draw all possible tetrominoes shapes in puzzle mode
Collect 20 Blocks That Matter
Upgrade Tetrobot so he can drill crystal blocks
Join the Blocks That Matter Steam group
Play a community level and rate it
Collect 10 Stars
Collect the 3 BTMs that inspired this game
Destroy 4 lines of 8 blocks at the same time in "Manual Tetris"
Avoid the death of the fire slime in "Collateral damage"
Collect 10 Blocks That Matter
Upgrade Tetrobot so he can drill metal blocks
Upgrade Tetrobot so he can destroy lines
Die by kissing a slime
Squash a slime with a falling block
Collect your very first Blocks That Matter
Experience the effect of the nanoreset explosion