IMHO.

Games like WHO THE HELL OPENED THE PORTAL?!

If WHO THE HELL OPENED THE PORTAL?! is your kind of game, the closest matches are Golden Age, 绛河之上 Under Supernova and Magine: War of Restoration — 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 WHO THE HELL OPENED THE PORTAL?!: A funny pixel art roguelite strategy. You manage a fantasy island kingdom connected by magical portals. By day — build, gather resources, hire heroes, and dive through portals to expand into new lands. By night — defend! The same portals unleash hordes of demons straight from Hell.

StrategyIndieSimulationRPGCasualWindowsby Uberbax Gaming
WHO THE HELL OPENED THE PORTAL?! — Steam game cover

Players who liked WHO THE HELL OPENED THE PORTAL?! also play

Steam players who put hours into WHO THE HELL OPENED THE PORTAL?! 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. Golden Age

    WHY THIS

    Top pick for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with WHO THE HELL OPENED THE PORTAL?!.

    Guard the holy city, and at the right time, go deep into the hinterland of the dark legion, and retrieve the holy objects lost in the last temple catastrophe, the book of contract, the holy grail, the holy sword, the holy stone, the magic bottle, the Thor's hammer, etc.

    2022ActionStrategyAdventure1.99 USDSteam ↗
  2. 绛河之上 Under Supernova

    WHY THIS

    Second-strongest match for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    An instant strategy science fiction simulation survival sandbox game. Players can control individuals, teams, and manage multiple bases. Players can farm, build, excavate, fight, produce, graze, explore, trade, record and pass on knowledge, and can also fly a spaceship to explore the starry sky.

    2023StrategyIndieSimulation7.99 USDSteam ↗
  3. Magine: War of Restoration

    WHY THIS

    Third-strongest match for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    A real-time strategy game anyone can pick up, featuring “click-to-deploy” and “zero micromanagement”. On a continent of magic and engine, gather your remnants, rebuild under siege and restore a shattered empire. Say goodbye to complex RTS controls and enjoy the pure joy of strategy and epic battles!

    StrategyIndieSteam ↗
  4. 坍塌世界

    WHY THIS

    Ranked #4 for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    "Collapsing World" is an innovative tower defense game blending deck-building and roguelike mechanics. Recruit unique companions, craft powerful skill decks, and tackle randomized stages. Deep strategy breaks the traditional TD mold—every run is a fresh challenge!

    2026StrategyIndieSimulationFreeSteam ↗
  5. Infinite Evo TD

    WHY THIS

    Ranked #5 for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    A tower defense game where mechanics evolve through your choices. Strengthen classic tower defense, blend in other game genres, or abandon tower defense entirely. Each level unlocks a fresh ruleset, making one purchase feel like many games in one.

    2026StrategyIndieSimulation3.99 USDSteam ↗
  6. Project RR

    WHY THIS

    Ranked #6 for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    Project RR is a tactical RPG that seamlessly blends turn-based domain management and exploration with unique real-time combat. Guided by an ancient prophecy, develop your domain, lead your legions, and recruit and nurture heroic allies. Restore peace to the continent of Arcarnia.

    StrategyIndieSimulationSteam ↗
  7. Driftland: The Magic Revival

    WHY THIS

    Ranked #7 for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    After a devastating war between ancient mages, a powerful spell is all that holds together the shattered planet of Driftland. Take on the role of a powerful mage capable of moving and connecting floating lands, develop a mighty empire, and restore Driftland to its former glory!

    2019StrategyIndieSimulation3.99 USDSteam ↗
  8. Kingdom Wars 4

    WHY THIS

    Ranked #8 for WHO THE HELL OPENED THE PORTAL?! fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with WHO THE HELL OPENED THE PORTAL?!.

    It's 1347, the time of the Hundred Years' War. In this historical grand strategy and RTS hybrid you play as one of 200 minor lords across medieval Europe, Africa or Middle East. Rise up to take over your Kingdom and be crowned, then fight to preserve your empire as Black Death descends on Europe.

    2021ActionStrategyIndie14.99 USDSteam ↗

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 Indie with WHO THE HELL OPENED THE PORTAL?!.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with WHO THE HELL OPENED THE PORTAL?!.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  3. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with WHO THE HELL OPENED THE PORTAL?!.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  4. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with WHO THE HELL OPENED THE PORTAL?!.

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

    2022IndieFreeDeck PlayableSteam ↗
  5. Sheepy: A Short Adventure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with WHO THE HELL OPENED THE PORTAL?!.

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  6. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with WHO THE HELL OPENED THE PORTAL?!.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  7. Grimm's Hollow

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and RPG with WHO THE HELL OPENED THE PORTAL?!.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  8. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with WHO THE HELL OPENED THE PORTAL?!.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗

Frequently asked about WHO THE HELL OPENED THE PORTAL?!

What games are most similar to WHO THE HELL OPENED THE PORTAL?!?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside WHO THE HELL OPENED THE PORTAL?! are Golden Age, 绛河之上 Under Supernova, Magine: War of Restoration.
Who developed WHO THE HELL OPENED THE PORTAL?!?
WHO THE HELL OPENED THE PORTAL?! was developed by Uberbax Gaming.

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 WHO THE HELL OPENED THE PORTAL?!.

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