Single-player games like Serious Sam 4
Below are 20 single-player Steam games similar to Serious Sam 4, 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 Serious Sam 4 page.
Ranked picks
- 1
Serious Sam 3: BFE
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
- 2
Serious Sam II
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!
- 3
DOOM
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action with Serious Sam 4.
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.
- 4
Bulletstorm: Full Clip Edition
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Adventure with Serious Sam 4.
Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.
- 5
Back 4 Blood
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action with Serious Sam 4.
Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.
- 6
Trepang2
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
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.
- 7
Prodeus
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 8
Turbo Overkill
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
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!
- 9
Serious Sam 3 VR: BFE
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam 3 VR: BFE is a virtual reality action shooter, a glorious throwback to the golden age of first-person shooters where men were men, cover was for amateurs and pulling the trigger made things go boom.
- 10
Serious Sam Classic: The First Encounter
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!
- 11
Serious Sam Classic: The Second Encounter
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!
- 12
Resident Evil
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Adventure with Serious Sam 4.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 13
Quake
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action with Serious Sam 4.
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.
- 14
Serious Sam: Siberian Mayhem
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Adventure with Serious Sam 4.
Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
- 15
Warhammer 40,000: Battle Sister
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Adventure with Serious Sam 4.
Welcome to the grim darkness of the far future! Experience the war-torn universe of Warhammer 40,000 brought into jaw-dropping, visceral reality for the first time in VR. Immerse yourself in a gripping, action-filled story spanning the galaxy.
- 16
MOTHERGUNSHIP: FORGE
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Craft. Shoot. Die. Repeat. Forge absurdly powerful guns and fight through the belly of a metal alien monstrosity in this VR FPS roguelite follow up to MOTHERGUNSHIP. Wanna build a rocket-firing-shotgun or a toxic spike-ball-launcher? Unleash your inner mad scientist, then take on the MOTHERGUNSHIP.
- 17
The Talos Principle
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
- 18
The Talos Principle 2
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Adventure with Serious Sam 4.
The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.
- 19
Serious Sam Fusion 2017 (beta)
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!
- 20
Serious Sam Classics: Revolution
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam 4.
Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless foes on his way to Mental's base.