← Fortified

23 of 23 entries

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• Negative PerspirationSurvive 10 waves of Invasion Mode7.3%Rare
• Fortified!Complete all maps on insane7.3%Rare
• Earth's ProtectorComplete every map on hard7.3%Rare
• Cloud NineSurvive to wave 20 in Invasion mode on hard7.3%Rare
• Cranked!Destroy 20 enemies within 1 second7.4%Rare
• Defenders of FreedomReach level 20 with all player characters7.4%Rare
• National IconReach level 207.5%Rare
• They Shall Not PassComplete any map on hard, other than Easy Street without taking damage7.5%Rare
• StackedUnlock every structure and weapon7.6%Rare
• Cryo BabyThrow 10 enemies at once with the Cryo Blaster secondary attack7.7%Rare
• SharpshooterDestroy 10 enemies with the Rifle in 5 seconds7.9%Rare
• SquareComplete every map on normal difficulty8%Rare
• BeatnikComplete any map other than Easy Street without any structure kills8.2%Rare
• Clanked!Defeat the Stalker8.3%Rare
• SluggerDestroy 5 flying enemies in 5 seconds with the shotgun8.5%Rare
• Great Balls of FireSet fire to 10 enemies simultaneously8.9%Rare
• Circuit BreakerDestroy 50 enemies using Tesla Coils in any single map other than Easy Street9.2%Rare
• Bring Him Down!Defeat the Juggernaut9.8%Rare
• Reporting For DutyComplete any map other than Easy Street using only infantry11%Rare
• Ice to Meet YouFreeze 10 enemies within 1 second11.2%Rare
• Big SpenderSpend more than $7,500 in any map other than Easy Street11.9%Rare

Data from Steam — Steam Web API Terms of Use. Last updated 20 Aug 2026.