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Data from Steam — Steam Web API Terms of Use. Last updated .
| Achievement | How to unlock | Unlocked by | Rarity |
|---|---|---|---|
| Big Mama is proud of you | Complete 20 Bonus Levels | 1.8% | Very rare |
| Acceptable in the 80s | Start and finish "The Underground Rescue" in a single game session | 1.9% | Very rare |
| Why so Sirius | Collect 40 Stars | 2.1% | Very rare |
| Be our guest | Complete "The Underground Rescue" with 100% | 2.1% | Very rare |
| Firework | Complete "The Invader" without having burned a wood block | 2.2% | Very rare |
| Complete all the Chocolate Update levels | 2.4% | Very rare | |
| Complete "An Ice Glitch" saving 4 blocks of sand | 2.5% | Very rare | |
| Perform the longest possible fall in the game | 2.6% | Very rare | |
| Complete 10 Bonus Levels | 2.7% | Very rare | |
| Collect 20 Stars | 3.1% | Very rare | |
| Collect 40 Blocks That Matter | 3.2% | Very rare | |
| Collect a Green Star | 3.4% | Very rare | |
| Collect 3 BTMs made by french developers | 3.9% | Very rare | |
| Playtest a level you’ve created with the ingame level editor | 4.3% | Very rare | |
| Collect 10 Stars | 4.6% | Very rare | |
| Destroy 4 lines of 8 blocks at the same time in "Manual Tetris" | 5.3% | Rare | |
| Collect 20 Blocks That Matter | 6.1% | Rare | |
| Free Alexey and Markus | 6.1% | Rare | |
| Watch the credits until the end | 6.7% | Rare | |
| Upgrade Tetrobot so he can drill crystal blocks | 7% | Rare | |
| Play a community level and rate it | 7.4% | Rare | |
| Collect the 3 BTMs that inspired this game | 9.2% | Rare | |
| Avoid the death of the fire slime in "Collateral damage" | 9.3% | Rare | |
| Join the Blocks That Matter Steam group | 9.4% | Rare | |
| Collect 10 Blocks That Matter | 10% | Rare | |
| Draw all possible tetrominoes shapes in puzzle mode | 11.2% | Rare | |
| Upgrade Tetrobot so he can drill metal blocks | 14.2% | Rare | |
| Upgrade Tetrobot so he can destroy lines | 37.8% | Uncommon | |
| Squash a slime with a falling block | 41.1% | Uncommon | |
| Die by kissing a slime | 42.9% | Uncommon | |
| Collect your very first Blocks That Matter | 63.6% | Common | |
| Experience the effect of the nanoreset explosion | 76.4% | Common |