Halo 3
Halo 3 comes to PC as the next installment in Halo: The Master Chief Collection. Witness the Master Chief’s return to finish the fight between the Covenant, the Flood, and the entire Human race in this dramatic, pulse-pounding conclusion of the original Halo trilogy.
Offers
What are keyshops?Official stores
Official stores with direct support.
Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Base game (1)
This is the base game required to play this DLC. Other expansions may also be required.
Multipacks (1)
DLCs (6)
Halo Series (2)
Other games from the same series.
About Halo 3
Game Features:
- PC Settings/Optimizations: Halo 3 is now optimized for PC and looking better than ever at up to 4k UHD and at 60+ FPS.* Other PC native settings include customizable mouse and keyboard support, ultrawide support, FOV customization, and more.
- Campaign: Experience the next chapter in the Halo saga and fight your way through 11 unforgettable missions.
- Multiplayer: Continue your Halo adventure with 24 multiplayer maps from the iconic Halo 3, featuring a completely updated progression system in Halo: The Master Chief Collection.
- Forge & Theater: Create new ways to play with the iconic Forge tool and utilize the Theater to capture and share your favorite moments with the community
*Look to system requirements for guidance on hardware minimum specs to achieve performance metrics
Game details
Game details
Languages
Audio & text: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Spanish - Latin America, Traditional Chinese
Text only: Simplified Chinese
Halo 3 price history
Lowest tracked price: £9.77 (Jul 13, 2026) · current best: £9.99 across 3 stores.
Halo 3 reviews
83% positive reviews in the last 30 days (91% all-time).
Halo 3 — frequently asked questions
Where can I buy Halo 3 at the cheapest price?
Right now the cheapest offer for Halo 3 is £9.99 at Steam. KingsPrice compares 3 offers from 3 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Halo 3 has ever been?
The lowest price KingsPrice has tracked for Halo 3 is £9.77 (recorded on Jul 13, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Is it safe to buy a Halo 3 Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get Halo 3 at a discount?
Create a free price alert on this page and KingsPrice will email you when Halo 3 drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7
- Processor: Intel Core i7-975 | AMD A12-9800 APU
- Memory: 2 GB RAM
- Graphics: GeForce GTS 450 | Radeon R7 Graphics
- Storage: 55 GB available space
- Additional Notes: 30 FPS on performance settings at 1920x1080
Recommended
- Requires a 64-bit processor and operating system