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Achievements
242 hidden until unlocked
Average Unlock Rate
44%of owners, per achievement
Rare (Under 5%)
00% of the list
Rarest
25%Every Level
Most Common
92%No Regrets
By Rarity| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 0 | |
| 1–5% | 0 | |
| 5–20% | 0 | |
| 20–50% | 17 | |
| 50% and over | 7 |
All Achievements| # | Achievement | Unlocked |
|---|---|---|
| 1 |  No RegretsSolve a level without using undo. | 92% |
| 2 |  First SumSolve your first level. | 92% |
| 3 |  SumsComplete every level in Sums. | 75% |
| 4 |  Try AgainHidden | 71% |
| 5 |  MinusComplete every level in Minus. | 71% |
| 6 |  Cancelled OutMerge blocks to exactly zero. | 67% |
Share of the game’s Steam owners who unlocked each achievement, checked 29 Oct 2026. Steam counts owners who never played, so rates run low. How we count
| 7 |  Heavy NumberGrow a block to 20 or beyond. | 65% |
| 8 |  StonesComplete every level in Stones. | 45% |
| 9 |  Filled InPlug a pit with a stone. | 43% |
| 10 |  PitsComplete every level in Pits. | 37% |
| 11 |  Bolted DownMerge into an anchored block. | 37% |
| 12 |  AnchorsComplete every level in Anchors. | 33% |
| 13 |  One Way OnlySend a block through a one-way gate. | 31% |
| 14 |  On ReflectionHidden | 31% |
| 15 |  Ring WalkerSend a block through a portal. | 29% |
| 16 |  GatesComplete every level in Gates. | 29% |
| 17 |  Twice OverDouble a block on a ×2 tile. | 27% |
| 18 |  TimesComplete every level in Multiply. | 27% |
| 19 |  Split The DifferenceHalve a block on a half tile. | 27% |
| 20 |  PortalsComplete every level in Portals. | 27% |
| 21 |  Through The WallBreak through a cracked wall. | 25% |
| 22 |  Oh Crack!Complete every level in Cracks. | 25% |
| 23 |  HalveComplete every level in Divide. | 25% |
| 24 |  Every LevelSolve all 100 levels. | 25% |
SUMOO SUMOO is a minimalist grid puzzle where numbers slide, meet, and add up. Every stage demands one exact number. Use pits, portals, and multipliers to land on it.
