IMHO.

Single-player games like Serious Sam Classic: The First Encounter

Below are 17 single-player Steam games similar to Serious Sam Classic: The First 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 First Encounter page.

Ranked picks

  1. 1
    Serious Sam Classic: The Second Encounter — Steam game cover

    Serious Sam Classic: The Second Encounter

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First Encounter.

    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!

    2019ActionIndie5.99 USDSingle-playerSimilar games →
  2. 2
    Serious Sam HD: The First Encounter — Steam game cover

    Serious Sam HD: The First Encounter

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First Encounter.

    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!

    2009ActionIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Serious Sam 3: BFE — Steam game cover

    Serious Sam 3: BFE

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First 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!

    2011ActionIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    DOOM + DOOM II — Steam game cover

    DOOM + DOOM II

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First Encounter.

    Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First 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.

    2025Action29.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Serious Sam HD: The Second Encounter — Steam game cover

    Serious Sam HD: The Second Encounter

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First Encounter.

    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!

    2010ActionIndie19.99 USDSingle-playerSimilar games →
  7. 7
    Quake — Steam game cover

    Quake

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First 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.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Unreal Tournament 3 — Steam game cover

    Unreal Tournament 3

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First 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.

    2009ActionDeck PlayableSingle-playerSimilar games →
  9. 9
    Wolfenstein 3D — Steam game cover

    Wolfenstein 3D

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First Encounter.

    World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.

    2007Action4.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Wolfenstein: The New Order — Steam game cover

    Wolfenstein: The New Order

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First Encounter.

    Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.

    2014Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    DOOM — Steam game cover

    DOOM

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First Encounter.

    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.

    2016Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    The Talos Principle — Steam game cover

    The Talos Principle

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First 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).

    2014ActionIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Serious Sam 4 — Steam game cover

    Serious Sam 4

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First 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.

    2020ActionIndieAdventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    The Talos Principle 2 — Steam game cover

    The Talos Principle 2

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First 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.

    2023ActionAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    Serious Sam II — Steam game cover

    Serious Sam II

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First Encounter.

    Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!

    2012ActionIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    Serious Sam Fusion 2017 (beta) — Steam game cover

    Serious Sam Fusion 2017 (beta)

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action and Indie with Serious Sam Classic: The First 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!

    ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  17. 17
    Serious Sam: Siberian Mayhem — Steam game cover

    Serious Sam: Siberian Mayhem

    Single-player alternative to Serious Sam Classic: The First Encounter — playable solo, no multiplayer required. Shares Action with Serious Sam Classic: The First 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.

    2022ActionAdventure19.99 USDDeck PlayableSingle-playerSimilar games →