Games like Half-Life: Blue Shift

Half-Life: Opposing Force

Action

95% positive · 29k reviews · 113 peak

Half-Life

Action

96% positive · 164k reviews · 1k peak

Counter-Strike

Action

97% positive · 262k reviews · 5.7k peak

Serious Sam II

Action, Indie

90% positive · 14k reviews · 62 peak

Serious Sam HD: The Second Encounter

Action, Indie

91% positive · 977 reviews