PCGame

Alien Shooter TD

Isometric tower defense with soldiers holding back alien swarms

Sigma Team Inc. · Released Jan 13, 2017

ActionIndieStrategy

Reviews
Very Positive
85% of 716
Recent reviews
Not enough recent
Players
1
daily peak, Oct 30, 2026
Steam Deck
Untested
Last update on Steam
7 years ago
Feb 12, 2019
Minimum PC
512 MB
2 GB RAM · 0.5 GB disk
Full requirements

What is Alien Shooter TD?

A single-player, isometric tower defense game about defending Earth from an alien invasion. Across individual levels, you deploy soldiers from seven classes, equip their weapons, and replenish ammunition during combat. Bombs, land mines, and supply drones provide additional support.

For you if...

  • +you enjoy testing different defensive setups against enemy waves
  • +you like replaying levels or tackling endless modes

Not for you if...

  • −you want to control a shooter protagonist directly
  • −you prefer battles without blood and persistent corpses

What players say

85% of 716 reviews are positive

Players praise the weapon variety and meaningful upgrades to troops and equipment. Some find paid ammunition refills tedious, while others value the resource management and note that reloading can be automated.

Screenshots and trailer

Alien Shooter TD screenshot 1

Alien Shooter TD system requirements

Minimum: 512 MB, 2 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run Alien Shooter TD?

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Minimum

OS
Windows 7 (service pack 1), 8, 10
Processor
Intel Core 2 Duo T5200 @1.6GHz / AMD Athlon 64 X2 3600+ @2000MHz or better
Graphics
512 MB video card
Memory
2 GB RAM
Storage
500 MB available space

Does Alien Shooter TD have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Alien Shooter TD run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
21
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Text only: English, Russian, Korean.

Does Alien Shooter TD use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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