Sentinel 3: Homeworld
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About Sentinel 3: Homeworld
Sentinel 3: Homeworld is a tower defense game in which you fight across 20 campaign levels on an alien homeworld. You deploy a commander and an arsenal of weapons to defend against enemies, and can enter the battlefield in power armor to attack them and support your defenses.
Lead the defense
Your commander can level up and gain new abilities as you play. In the Armory, you customize your weapon loadout to suit each mission. More than 20 unlockable options include turrets, orbital ship weapons, automated drones and abilities.
Campaign and modes
The campaign includes new content featuring a new commander, enemies, weapons and more. Every map has an Endless mode, while Classic mode offers score competition in a skill-based format.
Additional content
The game includes music by Specimen A and Steam Achievements.
Frequently asked questions
The best price for Sentinel 3: Homeworld is $0.92 at Kinguin. That is 84% less than on Steam, where it costs $5.99. 12 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Sentinel 3: Homeworld stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Sentinel 3: Homeworld are: Windows Vista, 1 GB RAM, 300 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Sentinel 3: Homeworld is a single-player game.
Yes. Sentinel 3: Homeworld is the full base game. You need nothing else to play it.
Buy Sentinel 3: Homeworld 84% cheaper than on Steam.
Sentinel 3: Homeworld is available for 84% less in shops such as Kinguin, K4G, or Eneba.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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