Smile Protocol

Survive intense combat, earn rewards, open cases, unlock rare skins, and customize your arsenal in this high-pressure survival FPS where every run matters.

Developer: OxygenStudio.

Tags: Early Access, FPS, Action, Shooter.

Steam reviews: Mostly Positive (76% of 13).

Price: $5.09 (was $5.99, 15% off).

Released 2026-09-08.

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