- Other
- Worldwide
- 30 Dec 2026
Half-Life: Citadel
Other
Worldwide
Digital key
Price coming soon
PC key
- Key sent by email and shown on your order page as soon as the payment is confirmed
- Pay in Bitcoin, USDT, USDC and more
- Replaced or refunded if it does not work
Product details
- Valve
- Valve
- 30 December 2026
- Action, Adventure
- Other
- Other
- Worldwide
Activation
Activate on Other
- 1Open Other and log in
- 2Find “Redeem a code”
- 3Paste the key from your email or order page
Usable in every country.
Do not use a VPN when activating.
Detailed guide
Steam reviews
Crypto2Key customer reviews
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