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Achievements
262 hidden until unlocked
Average Unlock Rate
38%of owners, per achievement
Rare (Under 5%)
415% of the list
Rarest
0.1%Lethargy Loves Company
Most Common
81%First Contact
By Rarity| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 1 | |
| 1–5% | 3 | |
| 5–20% | 2 | |
| 20–50% | 11 | |
| 50% and over | 9 |
All Achievements| # | Achievement | Unlocked |
|---|---|---|
| 1 |  First ContactTrigger your first chemical reaction. | 81% |
| 2 |  Fire!Witness combustion. | 73% |
| 3 |  BoomSet off a detonation. | 68% |
| 4 |  FireworksComplete the Fireworks contract. | 67% |
| 5 |  Live WireLight a circuit with a galvanic cell. | 59% |
| 6 |
Share of the game’s Steam owners who unlocked each achievement, checked 7 Nov 2026. Steam counts owners who never played, so rates run low. How we count
 Alloy FoundryComplete the Alloy Foundry contract. |
| 57% |
| 7 |  Gold StandardEarn Gold tier on any graded contract. | 55% |
| 8 |  Rust Never SleepsOxidize a metal in every regime. | 55% |
| 9 |  ElectrolyteTear a molecule apart with electricity. | 51% |
| 10 |  Neon SignMake a noble gas glow with current. | 50% |
| 11 |  Rock CollectionDiscover 25 elements. | 50% |
| 12 |  Bright SparkIgnite a brilliant metal flare. | 49% |
| 13 |  Well ReadLog 50 distinct reactions. | 48% |
| 14 |  Reclaim the MetalComplete the Reclaim the Metal contract. | 42% |
| 15 |  Neutralize the SpillComplete the Neutralize the Spill contract. | 27% |
| 16 |  Going CriticalPush a uranium pile past criticality. | 26% |
| 17 |  ReforestationComplete the Reforestation contract. | 24% |
| 18 |  Halogen DisplacementComplete the Halogen Displacement contract. | 24% |
| 19 |  The Whole TableUnlock every element group. | 24% |
| 20 |  Remote IgnitionComplete the Remote Ignition contract. | 21% |
| 21 |  Evaporate the SeaComplete the Evaporate the Sea contract. | 16% |
| 22 |  Hydrogen StorageComplete the Hydrogen Storage contract. | 16% |
| 23 |  Scorched EarthComplete the Scorched Earth contract. | 3% |
| 24 |  Reactor MeltdownHidden | 2% |
| 25 |  CompletionistComplete all ten contracts. | 1% |
| 26 |  Lethargy Loves CompanyHidden | 0.1% |
Alembic A falling-sand sandbox built on the **real periodic table**. Every element has genuine physical properties, and reactions emerge from real chemistry — rust iron, ignite thermite, run a galvanic cell, split a uranium pile to criticality. Discover it all in an encyclopedia that fills as you play.
