Single-player games like Augment Protocol
Below are 8 single-player Steam games similar to Augment Protocol, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Augment Protocol page.
Ranked picks
- 1
Pollex
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Enter the pit. Bet your fingers. Survive the thumb war. Pollex is a first-person horror game set in an underground thumb war fight pit. You owe a debt you can’t pay. The only way out is through the ring ,where every match is played for keeps, and the house always takes a cut.
- 2
Chasm: The Rift
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.
- 3
Warhammer 40,000: Boltgun
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
- 4
Sniper Elite 4
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Discover unrivalled sniping freedom in the largest and most advanced World War 2 shooter ever built. Experience tactical third-person combat, gameplay choice and epic longshots across gigantic levels as you liberate wartime Italy from the grip of Fascism.
- 5
Hellbound
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!
- 6
DOOM II
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 7
CULTIC
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.
- 8
Daymare: 1998
Single-player alternative to Augment Protocol — playable solo, no multiplayer required. Shares Action with Augment Protocol.
DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission.