Similarity

Games like Half-Life: Opposing Force

FPS, Classic, Shooter, First-Person, Aliens, 1990's, Military, Silent Protagonist

Counter-Strike

Action

97% positive · 262k reviews · 5.7k peak

Day of Defeat

Action

90% positive · 7.4k reviews · 111 peak

Serious Sam II

Action, Indie

90% positive · 14k reviews · 62 peak

Serious Sam HD: The Second Encounter

Action, Indie

91% positive · 977 reviews

Titanfall® 2

Action

96% positive · 289k reviews · 1.3k peak