Steam Playtests
AGE OF ALIENS

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AGE OF ALIENS playtest

by MonkeyClimb Studio

On an alien world, you must defend yourself in this unique base-building tower-defense game. Build a base by placing blocks, turrets and traps in order to survive the hoards of aliens.

Anyone with a Steam account can join, and it's free.

Access
Instant
On playtest since
May 8, 2026
Planned release
Coming soon
Developer
MonkeyClimb Studio
Platforms
Windows
Players
Single-player
Languages
English, French, German, Italian and 9 more

How to join the AGE OF ALIENS playtest

  1. Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
  2. Use the AGE OF ALIENS playtest signup there. You're in straight away, with nothing to pay.
  3. The playtest shows up in your Steam library, ready to install and play.

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About AGE OF ALIENS

Stranded on a alien world, you must defend yourself until help arrives.

AGE OF ALIENS is a tower defense game where you:

  • Build your own base
  • Defend against alien waves
  • Protect your survivors

Your goal is simple. To survive until rescue arrives.

Don't want to be rescued? Thats fine! In freeplay mode your mission is to simply survive as long as possible.

Features

  • CHOOSE TOWERS: Blocks, Turrets, Traps, Machines
  • DEFEND: survive waves of uniquely crafted aliens
  • EXPERIMENT: Use sandbox mode for testing your defense

From the game's Steam page.