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