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Illegal Alien Tower Defense

Also known as Illegal Alien Tower Defense, iatd, illegal alien tower defense

Can you save civilization from the brink of collapse, and restore Earth to a High-Trust society? This is a Tower Defense game focused on strategy, tower placement, and defeating enemies in a hilarious setting. Warning: Mature content. Depicts violence, cartoon blood, and macabre comedy.

Last update
23 Jun 2026
Players now
0
Original sources
1
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v1.1Patch 1.1: Last of the Chud-hicans

Here we go. Patch 1.1 is live, with some serious changes. Major Changes: Added 2 new levels - Bayou Bulwark (Florida Everglades) and Washington Warfare (D.C.). Added Hotkey support - 1 through 4 will place towers; Q wil…

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Gallery

In-game media

Achievements

Community progression

Top picks from 7 Steam achievements, sorted by player unlock rates.

  • Crime StopperPrevent 1 billion crimes in a single level.0.0%
  • Born In The BayouStave off the Lizard People by defeating Bayou Bulwark.0.0%
  • No Clowns ProtestHalt the idiots calling a president "King" by defeating Washington Warfare.0.0%
  • Absolute ZeroPrevent the UK mental sickness from spreading to Poland by defeating Arctic Assault.0.0%
  • ConservationistPreserve the Forest from psychos by defeating Forest Firefight.0.0%
  • Degenerate DroughtSave the southern border from the invading horde by defeating Desert Defense.0.0%