Single-player games like Underground: World War
Below are 8 single-player Steam games similar to Underground: World War, 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 Underground: World War page.
Ranked picks
- 1
Input Chaos
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action and Indie with Underground: World War.
Dismember opponents with physics-based punches and weapons in glowing arenas inspired by Tron.
- 2
Dragon Fury
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action and Indie with Underground: World War.
1v1 Fighting. Ninjas, Pirates, Robots, Aliens and more. Import Your Own Characters!
- 3
Without Sanctuary
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action with Underground: World War.
Without Sanctuary is an underground fighting game set inside the El-Malo nightclub. No rules, no mercy—only raw combat. Choose powerful or fast fighters, battle for glory, and claim the prize in brutal fight nights where only one survives.
- 4
The Chaos Gene
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action and Indie with Underground: World War.
The Chaos Gene is a Indie casual fighting game. Inspired by some of the classic fighting games I grew up playing in the arcades.
- 5
Raging Fists: Retribution
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action and Indie with Underground: World War.
Raging Fists: Retribution is an Action Fighting Game based in a sci-fi industrial era.
- 6
Fighters Forge
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action and Indie with Underground: World War.
A 3D arena combat sandbox where you fight now and forge what’s next. Customize your fighter's avatar, fighting-style, & elemental superpower then battle it out in explosive matches built for chaos, strategy, and pure fun—solo, co-op, or competitive.
- 7
Gloves On!
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action with Underground: World War.
Pick up your gloves, wrap your hands, and put on your mouthpiece and headgear because Gloves On! is an action-packed boxing game with realistic and tactical controls. Get in the ring and fight an immersive and intense boxing match like you have never seen before.
- 8
Pro Sports Boxing
Single-player alternative to Underground: World War — playable solo, no multiplayer required. Shares Action and Indie with Underground: World War.
It's fight time! Pro Sports Boxing brings the speed, the power and bone crunching action into the palm of your hands! A boxing game made for true boxing fans, simulating an authentic boxing experience.