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
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.
- 2
Serious Sam HD: 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 HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!
- 3
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!
- 4
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.
- 5
CARNAGE OFFERING
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action and Adventure with Serious Sam 4.
Ultra fast-paced sci-fi FPS where you battle waves of robots and genetically engineered creatures. Upgrade your arsenal, unleash explosive physics, and survive relentless combat.
- 6
DOOM Eternal
Single-player alternative to Serious Sam 4 — playable solo, no multiplayer required. Shares Action with Serious Sam 4.
Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.
- 7
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.
- 8
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.
- 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
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!
- 13
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!
- 14
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.
- 15
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.
- 16
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.
- 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 HD: 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 HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!
- 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.