Steam · Global · Key — from $0.89 USD — In stock — PanzUp
Buy a key for Synergy (Steam) on Steam (Global) from PanzUp — an open marketplace where multiple sellers compete on price. Every order includes secure payment and buyer protection.
Delivery is instant — as soon as your payment is confirmed, the key is emailed to you and appears in your PanzUp library. Support is available 24/7 if you need help.
Yes — this is a Global key and works from any country.
$0.89 USD on PanzUp.
Synergy is a Half-Life 2 Modification that enables you to play through the Half-Life 2 series and many other 3rd-party campaigns cooperatively with friends.