IMHO.

Games like DEMON SIEGE

If DEMON SIEGE is your kind of game, the closest matches are Lastbane, Azy and Slipgate — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About DEMON SIEGE: A retro-inspired boomer shooter where every powerup stacks infinitely. Become an unstoppable demon-slaying powerhouse with insane speed, massive jumps, multi-bullet weapons, and game-breaking builds.

ActionWindowsby GROOVY GORY GAMES
DEMON SIEGE — Steam game cover

Players who liked DEMON SIEGE also play

Steam players who put hours into DEMON SIEGE also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Lastbane

    WHY THIS

    Top pick for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    Lastbane is a CO-OP asymmetric horror game. Together with your friends, you must try to escape the map silently without being caught by sound-sensitive creatures that react to microphones and in-game voice chat.

    2025ActionIndieAdventure3.99 USDDeck PlayableSteam ↗
  2. Azy

    WHY THIS

    Second-strongest match for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    Destroy enemies and bosses using a variety of weapons. Visit different times and places with unique enemies. Inspired by classic games from the of 90s genre.

    2022ActionAdventureEarly Access9.99 USDSteam ↗
  3. Slipgate

    WHY THIS

    Third-strongest match for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    Explore the gloomy rooms of a sci-fi base as a doomed marine, the sole survivor of the portal experiment. Save humanity as you did in the 90s with your trusty shotgun, make your way through ominous corridors inhabited by the shadows of sinners and evil spirits.

    2026ActionIndieAdventureSteam ↗
  4. IMHA

    WHY THIS

    Ranked #4 for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    IMHA is a first-person shooter set on an island ravaged by a demon invasion. Battle your way through endless hordes of enemies and survive the onslaught of relentless ghouls and demons.

    2022ActionIndieEarly Access7.99 USDSteam ↗
  5. Project RIP

    WHY THIS

    Ranked #5 for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    Welcome to Project R.I.P. , control AI driven Agents in the battle against hordes of demons. Show your skills on the battlefield and on Global Leaderboards in this Singleplayer Horror Survival First Person Horde Shooter.

    2019ActionIndieRPG13.99 USDDeck PlayableSteam ↗
  6. Left 4 Dead 2

    WHY THIS

    Ranked #6 for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    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.

    2009Action9.99 USDDeck VerifiedSteam ↗
  7. DUSK

    WHY THIS

    Ranked #7 for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    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.

    2018ActionIndie19.99 USDDeck VerifiedSteam ↗
  8. Killing Floor 2

    WHY THIS

    Ranked #8 for DEMON SIEGE fans by collaborative filtering across millions of Steam libraries. Shares Action with DEMON SIEGE.

    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.

    2016Action29.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DEMON SIEGE.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  2. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DEMON SIEGE.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  4. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DEMON SIEGE.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  5. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  6. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DEMON SIEGE.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗
  7. Dagon: by H. P. Lovecraft

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.

    2021IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  8. Disfigure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DEMON SIEGE.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableSteam ↗

Frequently asked about DEMON SIEGE

What games are most similar to DEMON SIEGE?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside DEMON SIEGE are Lastbane, Azy, Slipgate.
Who developed DEMON SIEGE?
DEMON SIEGE was developed by GROOVY GORY GAMES.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on DEMON SIEGE.

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