Ancient Planet Tower Defense
Tower defense against alien raiders with flexible tower placement
Moonlight Mouse · Released Feb 3, 2015
- Reviews
- Very Positive
- 84% of 910
- Recent reviews
- Very Positive
- 90% of 11 in 30 days
- Players
- 4
- daily peak, Nov 7, 2026
- Steam Deck
- Playable
- Last update on Steam
- 3 years ago
- Feb 1, 2023
What is Ancient Planet Tower Defense?
This is an isometric tower defense game set at an ancient civilization's stronghold under attack by alien raiders. Across 40 levels, you place towers wherever there is space and upgrade both your towers and base. You can reset upgrades to try different defenses.
For you if...
- +you enjoy classic tower defense with open tower placement
- +you like changing upgrades between separate levels
- +you want lighthearted science fiction and atmospheric music
Not for you if...
- −you dislike replaying levels to earn upgrades
- −you want a large selection of different towers
- −you prefer strategy games without difficult later levels
What players say
84% of 910 reviews are positive · 90% of 11 in the last 30 days
Players praise the visuals, music, and tower placement and upgrade choices. The most common complaint is slow progression that can require replaying levels for upgrades; some players also find the tower selection limited.
How many players finish Ancient Planet Tower Defense?
20% of Steam players have unlocked «Goodbye, Emperor», the achievement for finishing the main story.
Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.
Screenshots and trailer
Ancient Planet Tower Defense system requirements
Minimum: 1 GB RAM, 0.2 GB of disk space.
As published by the developer.
Can my PC run Ancient Planet Tower Defense?
The published requirements do not name a graphics card we can compare.
Set up my PC →Minimum
- OS
- Microsoft® Windows® XP/Vista/7
- Processor
- 2 Ghz Processor
- Memory
- 1 GB RAM
- Storage
- 200 MB available space
- Notes
- Widescreen display
Does Ancient Planet Tower Defense have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Ancient Planet Tower Defense run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Some in-game text is small and may be hard to read
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS
- Achievements
- 47
- Steam features
- Cloud saves, Family Sharing, Trading cards
- Languages
- Text only: English, Russian, Simplified Chinese, Spanish - Spain, French, German, Portuguese - Brazil, Turkish, Korean, Japanese, Traditional Chinese, Ukrainian, Polish, Italian, Hungarian, Dutch, Vietnamese, Greek, Romanian, Thai, Czech, Swedish.
Does Ancient Planet Tower Defense 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 25, 2026. How to filter AI games on Steam
Tags
Recent updates
- Feb 1, 2023 · Update "Do not turn off acceleration when the next wave comes out"
- Jan 31, 2023 · Update "Clear difficulty selection"
- Jan 30, 2023 · Update "Support for different screen ratios"
- Jan 24, 2023 · Update "Slight improvement of window mode"
- Jan 18, 2023 · Update "Cyclic Saves"
