Buy Sentinel 3: Homeworld PC
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Sentinel 3: Homeworld Steam CD Key
K4G3.8•Activate on: Steam•Standard
$0.98 Get -
Sentinel 3: Homeworld (PC) Steam Key - GLOBAL
Gameseal4.4•Activate on: Steam•Standard
$1.06 Get -
Sentinel 3: Homeworld Steam Key GLOBAL
Eneba4.4•Activate on: Steam•Standard
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Sentinel 3: Homeworld Steam CD Key
Kinguin4.6•Activate on: Steam•Standard
$1.14 Get -
Sentinel 3 Homeworld
YUPLAY4.7•Activate on: Unspecified•Standard
$1.16 Get-84% $7.73 -
Sentinel 3: Homeworld (PC)
Difmark4•Activate on: Steam•Standard
$1.20 Get -
Sentinel 3: Homeworld Steam Key GLOBAL
G2A.COM4•Activate on: Steam•Standard
$1.43 Get-9% $1.58 -
Sentinel 3: Homeworld
Fanatical4.6•Activate on: Unspecified•Standard
$5.23 Get-25% $6.99 -
Sentinel 3: Homeworld
Activate on: Steam•Standard
$5.99 Get -
Sentinel 3: Homeworld
Green Man Gaming4.7•Activate on: Unspecified•Standard
$5.99 Get -
Sentinel 3 Homeworld
GamersGate3.9•Activate on: Steam•Standard
$5.99 Get -
Sentinel 3 Homeworld
GamersGate3.9•Activate on: DRM-free•Standard
$6.99 Get
About 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.
* 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.
Game Specifications
- Single player
- Windows
System Requirements
Windows
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
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Frequently asked questions about Sentinel 3: Homeworld
What is the cheapest price for Sentinel 3: Homeworld Steam key?
The cheapest redeemable Steam key currently listed is $0.98 at K4G. Prices were last checked on November 13, 2026.
View key offersWhat is the difference between key and account offers for Sentinel 3: Homeworld?
Gamescade currently lists 12 redeemable keys and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Sentinel 3: Homeworld?
Minimum PC requirements for Sentinel 3: Homeworld include a 1.2GHz+ Processor CPU, 1 GB RAM, a GPU with OpenGL 1.3 gfx card/driver with 128+MB Video Ram, and 300 MB of available storage. See the full requirements below.
What is the Sentinel 3: Homeworld release date?
Sentinel 3: Homeworld was released on January 1, 2014.
Is Sentinel 3: Homeworld single-player, multiplayer, or co-op?
Sentinel 3: Homeworld is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can Sentinel 3: Homeworld offers be activated?
Current Sentinel 3: Homeworld key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
Which platforms have active Sentinel 3: Homeworld deals?
Gamescade currently lists active Sentinel 3: Homeworld deals for PC.
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