Single-player games like Gumblaster Mayhem
Below are 8 single-player Steam games similar to Gumblaster Mayhem, 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 Gumblaster Mayhem page.
Ranked picks
- 1
God Damn The Garden
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
The FPS Adventure where you're challenged to explore God Damn's World, and ultimately become the successor of Badass Heaven.
- 2
Hellbound
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
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!
- 3
WRATH: Aeon of Ruin
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action with Gumblaster Mayhem.
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
- 4
Warhammer 40,000: Boltgun
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
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.
- 5
CARNAL
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!
- 6
DUSK
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 7
Monument
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
Oldschool FPS. Hardcore classic gameplay action. Huge hordes of monsters. Blood. Horror. Fun. Each level is unique and not similar to the previous. You need to survive in this dangerous world and become the best evil shooter.
- 8
AMID EVIL
Single-player alternative to Gumblaster Mayhem — playable solo, no multiplayer required. Shares Action and Indie with Gumblaster Mayhem.
A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.