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