Single-player games like Prodeus
Below are 16 single-player Steam games similar to Prodeus, 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 Prodeus page.
Ranked picks
- 1

Turbo Overkill
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!
- 2

Warhammer 40,000: Boltgun
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
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.
- 3

DUSK
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
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.
- 4

Quake
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action with Prodeus.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 5

Nightmare Reaper
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
Blast through a cursed nightmare solo or with up to 3 friends. A retro-inspired FPS where looter shooter weapons meets boomer shooter chaos and rogue-lite elements.
- 6

Ion Fury
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!
- 7

Trepang2
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
Become the ultimate badass in Trepang2: A gory, action-packed FPS set in the near future. Unleash all hell on your enemies, dodge bullets and leave a trail of destruction in this hardcore and frenetic shooter.
- 8

Project Warlock
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.
- 9

Quake II
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action with Prodeus.
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
- 10

DOOM
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action with Prodeus.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 11

Shadow Warrior
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Adventure with Prodeus.
Shadow Warrior is a bold reimagining of the classic 3D Realms’ shooter from independent developer Flying Wild Hog (Hard Reset) starring the legendary and quick-witted warrior Lo Wang.
- 12

Selaco
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.
- 13

AMID EVIL
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
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.
- 14

Roboquest
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
Roboquest is a fast FPS Roguelite in a scorched futureworld. You're a rebooted Guardian, ready to kick some metal ass! Fight with your buddy or by yourself and annihilate hordes of deadly bots in ever-changing environments.
- 15

HROT
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action and Indie with Prodeus.
HROT is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.
- 16

WRATH: Aeon of Ruin
Single-player alternative to Prodeus — playable solo, no multiplayer required. Shares Action with Prodeus.
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.