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to keep track of what you have here — unlocked entries stay ticked off, and you can filter down to what is left.
Data from Steam — Steam Web API Terms of Use. Last updated .
| Achievement | How to unlock | Unlocked by | Rarity |
|---|---|---|---|
| Solve both switch puzzles on FORTRESS. | 13.1% | Rare | |
| Annihilate the final opponent. | 14.7% | Rare | |
| Solve the giant ring puzzle on CATACLYSM. | 16.7% | Rare | |
| Suppress the infected transporter. | 16.9% | Rare | |
| Pulverize the pirate battleship. |
| Rare |