Halo 2: Anniversary — cheap CD keys, compare prices
Is it worth buying?
- The price is well above its low (was €2.49) — worth waiting for a drop or setting an alert. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Halo 2: Anniversary (Xbox Game Studios) — Action. On this page we track CD key prices across editions, regions and activation platforms from trusted sellers, with price history and a DLC overview.
Best price today
€9.99
all-time low: official €2.49 · keyshop €3.10 (+301%)
The cheapest Halo 2: Anniversary key right now costs €9.99 at Steam — the best of 2 compared offers. The lowest price we have recorded for this game: €2.49.
The average low over the past 5 months was €8.49.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Halo 2: Anniversary prices by store 2
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €9.99 |
| Gamivo | Marketplace | €12.45 |
Lowest — official stores
€2.49
Oct 2026
Lowest — keyshops
€3.10
Oct 2026
Price history
last 88 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.49 | €3.10 |
| Sept 2026 | €9.99 | €11.98 |
| Aug 2026 | €9.99 | €11.97 |
| Jul 2026 | €9.99 | €11.51 |
| Jun 2026 | €9.99 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam, Gamivo
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All-time low so far: €2.49
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FAQ
Where is the cheapest place to buy a Halo 2: Anniversary key?
The cheapest Halo 2: Anniversary key is currently sold by Steam for €9.99. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.49.
How much does Halo 2: Anniversary cost?
Halo 2: Anniversary currently costs from €9.99 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.