Game overview
Sentinel 3: Homeworld
The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.
- Last tracked players
- 2
- All-time peak
- 4
- 24-hour change
- Unavailable
- Steam reviews
- 79.2% positive 144 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description
The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!
Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses!
* An epic campaign across 20 levels.
* A powerful commander unit which can level up and gain new abilities as you play.
* Over 20 unlockable turrets, orbital ship weapons, automated drones and abilities at your disposal.
* Customize your weapon loadout in the Armory to match the demands of the mission.
* NEW: Includes new content featuring new commander, enemies, campaign, weapons and more!
* Endless modes for all maps.
* NEW: Steam Achievements
* Classic mode allows you to compete for scores in a pure skill-based game mode.
* Exclusive music by Specimen A.
Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses!
* An epic campaign across 20 levels.
* A powerful commander unit which can level up and gain new abilities as you play.
* Over 20 unlockable turrets, orbital ship weapons, automated drones and abilities at your disposal.
* Customize your weapon loadout in the Armory to match the demands of the mission.
* NEW: Includes new content featuring new commander, enemies, campaign, weapons and more!
* Endless modes for all maps.
* NEW: Steam Achievements
* Classic mode allows you to compete for scores in a pure skill-based game mode.
* Exclusive music by Specimen A.
Media gallery 6 screenshots · 0 videos
Screenshots
Player activity
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Price history
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Latest news
All news on Steam ↗System requirements Windows
Windows
Minimum
Minimum:- OS *: Windows Windows Vista or Windows 7
- Processor: 1.2GHz+ Processor
- Memory: 1 GB RAM
- Graphics: OpenGL 1.3 gfx card/driver with 128+MB Video Ram
- Storage: 300 MB available space
Game details Languages, features & support
- Publisher
- Strategy First
- Brazilian rating
- 6
- Steam Germany rating
- 6
- Achievements
- 47
- Features
- Single-player, Steam Achievements, Family Sharing
- Languages
- English
- Website
- Official website ↗
- Support
- [email protected]
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | No | No |
Steam store page
fresh · checked 2026-10-04
PCGamingWiki technical notes
External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Wait — $5.99.
Not the best time to buy. Price could improve with future sales.
▬
~38 days until next sale
Value Score
Great Value — 95th percentile.
Price-to-player ratio ranks in the 95th percentile. Priced as Market at $5.99.
▲
Market pricing tier
Genre Benchmarks
Player Count
Top 18%
Value Ratio
Top 5%
Activity Heatmap
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Developer Analytics
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Frequently Asked Questions
Is Sentinel 3: Homeworld worth buying right now?
Wait — $5.99. Not the best time to buy. Price could improve with future sales.
When does Sentinel 3: Homeworld go on sale?
Not the best time to buy. Price could improve with future sales.
Is Sentinel 3: Homeworld free to play?
Sentinel 3: Homeworld costs $5.99 on Steam.
What genre is Sentinel 3: Homeworld?
Sentinel 3: Homeworld is a Indie, Strategy game.
Who developed Sentinel 3: Homeworld?
Sentinel 3: Homeworld was developed by Origin8 and published by Strategy First.
What platforms does Sentinel 3: Homeworld support?
Available on Steam for Windows.
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