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