Single-player games like Rontgard
Below are 8 single-player Steam games similar to Rontgard, 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 Rontgard page.
Ranked picks
- 1
Project S.U.N.D.I.A.L
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
Project S.U.N.D.I.A.L. is a PvPvE extraction shooter playable in single-player or online. Explore a shattered Europe, battle hostile players, ruthless raiders, and terrifying Hollows, then fight your way to extraction.
- 2
Omen
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
Infiltrate the remnants of a fallen empire, extract valuable loot, establish defenses against hostile fanatics, and unlock the gateway to a dimension of cosmic dread that defies comprehension.
- 3
P.R.I.M.A.L. Keepers
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
P.R.I.M.A.L. Keepers is a multiplayer survival game set in the distant future, 100 years after the catastrophe of a colony ship. Humanity has become trapped within an unknown star system. Players must work together and fight for survival during desperate evacuation attempts.
- 4
Into the Fire
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
Race an exploding volcano in this high-risk extraction survival. Rescue survivors, manage scarce resources, survive fire anomalies, and carve escape routes through ash and lava. Bring them back alive, before the island buries you.
- 5
Osteomalacia
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
Osteomalacia is a 2D top-down survival shooter set in a fog-covered city overrun by mutated beasts. Fight to escape by any means, upgrade your gear and skills, and uncover the story as you survive.
- 6
DEATH PLUNDER-亡命掠夺者
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
《Death Plunder-亡命掠夺者》is a 2D pixel platen survival game,You'll play as a mortal who risks everything for a treasure,Deep into the quarantined zombie island,plunder all kinds of loot and supplies To ensure survival.
- 7
ZERO Sievert
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
Now with over 600,000 copies sold, ZERO Sievert is a tense top-down extraction shooter that challenges you to scavenge a procedurally-generated wasteland, loot gear, and explore what’s left of a devastated world. When the odds are stacked against you, you’ll need to do more than just survive...
- 8
Hell Express
Single-player alternative to Rontgard — playable solo, no multiplayer required. Shares Action with Rontgard.
Hell Express is a PVE Co-op isometric shooter for 1-4 players. As a member of an armed delivery company operating between the living world and Limbo, you'll craft, loot, and fight to complete high-stakes deliveries—while uncovering the stories between life and death.