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