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Hold a mining outpost on an alien world while thousands of insects pour through the rock tunnels like a flood. Place towers on the high ground, aim their firing arcs, and spend the biomass from every run, won or lost, on upgrades that let you hold a little longer next time.

Achievements
25None hidden
Average Unlock Rate
22%of owners, per achievement
Rare (Under 5%)
832% of the list
Rarest
3%Extraction Legend
Most Common
90%First contact
| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 0 | |
| 1–5% | 8 | |
| 5–20% | 9 | |
| 20–50% | 6 | |
| 50% and over | 2 |
| # | Achievement | Unlocked |
|---|---|---|
| 1 | First contactWin stage 1. | 90% |
| 2 | UntouchedWin a stage without the extractor taking damage. | 74% |
| 3 | Surface ClearedDefeat the Millipede and free the Surface. | 45% |
| 4 | Nuclear OptionUse the Nuke. | 45% |
| 5 | Full SupportUse all four abilities. | 45% |
| 6 |
Share of the game’s Steam owners who unlocked each achievement, checked 3 Nov 2026. Steam counts owners who never played, so rates run low. How we count
Above and BeyondComplete 10 bonus missions. |
| 35% |
| 7 | The Colony FallsDefeat the Acid Slug and free the Colony. | 23% |
| 8 | A Hundred FightsPlay 100 fights. | 23% |
| 9 | The Core Is OursDefeat the Wasp Empress and finish the campaign. | 19% |
| 10 | Royal ChamberDefeat the Drill Worm and free the Royal Chamber. | 19% |
| 11 | Nothing Is Normal HereWin all four event stages. | 19% |
| 12 | Full ArsenalUnlock all eight towers. | 19% |
| 13 | Big GameWin all four mini-boss stages. | 19% |
| 14 | Maxed OutMax out every upgrade. | 13% |
| 15 | First ShiftWin a daily challenge. | 10% |
| 16 | OvertimeIn Endless mode, hold out 5 minutes past the end of the stage. | 6% |
| 17 | Five of FiveWin a stage with all five modifiers on. | 6% |
| 18 | VeteranWin 10 stages of the veteran campaign. | 3% |
| 19 | Thick SkinDefeat the Surface boss on Hard. | 3% |
| 20 | Rules Are RulesWin 10 stages with a rule on Hard. | 3% |
| 21 | On DutyComplete the daily challenge seven days in a row. | 3% |
| 22 | No MercyDefeat the Wasp Empress on Hard. | 3% |
| 23 | No EndGet Overtime in Endless mode in all four worlds. | 3% |
| 24 | Full ServiceComplete every bonus mission. | 3% |
| 25 | Extraction LegendWin stage 40 in the veteran campaign. | 3% |