Single-player games like Serious Sam Classic: The Second Encounter
Below are 16 single-player Steam games similar to Serious Sam Classic: The Second Encounter, 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 Classic: The Second Encounter page.
Ranked picks
- 1
Serious Sam Classic: The First Encounter
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!
- 2
DOOM II
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 3
Blood: Refreshed Supply™
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.
- 4
Quake
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
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
Unreal Tournament 3
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
Now includes the free Titan Pack expansion! The Titan Pack gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender.
- 6
Killing Floor 2
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.
- 7
Bulletstorm: Full Clip Edition
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
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.
- 8
Left 4 Dead 2
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
- 9
Serious Sam Classics: Revolution
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
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.
- 10
Serious Sam Fusion 2017 (beta)
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
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!
- 11
The Talos Principle
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
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).
- 12
Serious Sam 3: BFE
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
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 4
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.
- 14
The Talos Principle 2
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
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.
- 15
Serious Sam II
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The Second Encounter.
Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!
- 16
Serious Sam: Siberian Mayhem
Single-player alternative to Serious Sam Classic: The Second Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The Second Encounter.
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.