IMHO.

Games like The Riftbreaker: Prologue

If The Riftbreaker: Prologue is your kind of game, the closest matches are The Riftbreaker, HORDE Survival and Machine Mind — picked from the ranked list below. Reviewers single out its atmospheric, challenging and epic. 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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The Riftbreaker: Prologue is a free-to-play indie title released in 2020 by EXOR Studios. The game blends tower defense with mech combat and RTS base building, tasking players with exploring a procedurally generated planet, managing resource scarcity, constructing defenses, and surviving alien waves. It features a mech upgrade system and mod support, with reviewers highlighting the depth these elements provide. Players describe the atmosphere as immersive and epic, while noting the challenging difficulty and medium-length campaigns. Strategic base building and tactical positioning keep gameplay varied. The title is playable on Steam Deck and supports solo play, with Steam reviewers giving it a 95% positive rating from over 1200 reviews.

About The Riftbreaker: Prologue: The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

2020ActionStrategyIndieAdventureSimulationRPGFree to playDeck PlayableWindowsby EXOR Studios
The Riftbreaker: Prologue — Steam game cover
Players highlight
Fusion of tower defense and rpg feels freshMech customization and progression depthMod support extends survival modeAtmosphericChallengingEpic

Players who liked The Riftbreaker: Prologue also play

Steam players who put hours into The Riftbreaker: Prologue 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. The Riftbreaker

    WHY THIS

    Shares an immersive mood with The Riftbreaker: Prologue.

    Top pick for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with The Riftbreaker: Prologue.

    The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

    2021ActionStrategyIndie11.99 USDDeck PlayableSteam ↗
  2. HORDE Survival

    WHY THIS

    Second-strongest match for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with The Riftbreaker: Prologue.

    See yourself stuck in the middle of an ever growing virus epidemic. Find or craft weapons and tools to fight against the living and the dead. Build a safe place to survive in this cruel, apocalyptic world.

    2023ActionAdventureSimulation13.99 USDSteam ↗
  3. Machine Mind

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Third-strongest match for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with The Riftbreaker: Prologue.

    Machine Mind is an action game in a post-apocalyptic setting with elements of survival and RTS. You will fight, craft modules, build your transport, develop and protect your base. You can control other vehicles to automate operations. Discover all the secrets of the destroyed world!

    2026ActionStrategyIndie15.99 USDDeck PlayableSteam ↗
  4. Lumencraft

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Ranked #4 for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with The Riftbreaker: Prologue.

    Lumencraft is a unique combination of a top-down, rogue-like shooter and base building with tower defense elements. Dig and light up dark halls of a fully destructible environment on procedurally generated maps and campaign levels to find precious Lumen - humanity's only chance for survival.

    2023ActionStrategyIndie19.99 USDDeck VerifiedSteam ↗
  5. Stardeus

    WHY THIS

    Shares a challenging mood with The Riftbreaker: Prologue.

    Ranked #5 for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with The Riftbreaker: Prologue.

    Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

    2022StrategyIndieSimulation20.99 USDDeck VerifiedSteam ↗
  6. Satisfactory

    WHY THIS

    Shares an immersive mood with The Riftbreaker: Prologue.

    Ranked #6 for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with The Riftbreaker: Prologue.

    Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!

    2024StrategyIndieAdventure39.99 USDDeck VerifiedSteam ↗
  7. Castle Craft

    WHY THIS

    Shares a challenging mood with The Riftbreaker: Prologue.

    Ranked #7 for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with The Riftbreaker: Prologue.

    Will your castle survive the relentless onslaught, or collapse under pressure? Build, manage resources, and outsmart your foes in a world where everything can be destroyed. Use strategy and creativity to turn the chaos into your greatest advantage!

    2026ActionStrategySimulation19.99 USDDeck PlayableSteam ↗
  8. Dream Engines: Nomad Cities

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Ranked #8 for The Riftbreaker: Prologue fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with The Riftbreaker: Prologue.

    A survival city-building game with flying cities. Build, automate, and defend a flying city that travels between procedurally generated maps to survive in a wacky, nightmare-infested, post-apocalyptic world full of strange science and dreams.

    2024StrategyIndieSimulation29.99 USDSteam ↗

Reviewers mention these as similar to The Riftbreaker: Prologue

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. SC2VN - The eSports Visual Novel

    WHY THIS

    Shares an immersive mood with The Riftbreaker: Prologue.

    Reviewers of The Riftbreaker: Prologue cross-mention this title as a similar play. Shares Indie and Adventure with The Riftbreaker: Prologue.

    SC2VN is a visual novel about the South Korean StarCraft 2 scene. You play as Mach, a foreign semi-pro trying to make it in eSports who soon learns that success in StarCraft takes more than in-game strategy.

    2015IndieAdventureSimulationFreeDeck PlayableSteam ↗
  2. X-Morph: Defense

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Reviewers of The Riftbreaker: Prologue cross-mention this title as a similar play. Shares Action and Strategy with The Riftbreaker: Prologue.

    Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

    2017ActionStrategyIndie3.99 USDDeck PlayableSteam ↗
  3. Dyson Sphere Program

    WHY THIS

    Shares an epic mood with The Riftbreaker: Prologue.

    Reviewers of The Riftbreaker: Prologue cross-mention this title as a similar play. Shares Strategy and Indie with The Riftbreaker: Prologue.

    Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

    2021StrategyIndieSimulation19.99 USDDeck PlayableSteam ↗
  4. Diablo® IV

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Reviewers of The Riftbreaker: Prologue cross-mention this title as a similar play. Shares Action and Adventure with The Riftbreaker: Prologue.

    Join the fight for Sanctuary in Diablo® IV, the ultimate action RPG adventure. Experience the critically acclaimed campaign and new seasonal content.

    2023ActionAdventureMassively Multiplayer49.99 USDDeck VerifiedSteam ↗
  5. MORPH

    WHY THIS

    Reviewers of The Riftbreaker: Prologue cross-mention this title as a similar play. Shares Action and Indie with The Riftbreaker: Prologue.

    Race to the finish! A short 2D platformer! Collect metal to upgrade your health and find new moves to use hidden in the levels!

    2025ActionIndieAdventure1.99 USDSteam ↗

More from EXOR Studios

Other recommendable Steam games by EXOR Studios, ranked by review count so the studio's hits land first.

  1. The Riftbreaker

    WHY THIS

    Shares an immersive mood with The Riftbreaker: Prologue.

    Another title from EXOR Studios, the studio behind The Riftbreaker: Prologue. Shares Action and Strategy with The Riftbreaker: Prologue.

    The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

    2021ActionStrategyIndie11.99 USDDeck PlayableSteam ↗
  2. X-Morph: Defense

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Another title from EXOR Studios, the studio behind The Riftbreaker: Prologue. Shares Action and Strategy with The Riftbreaker: Prologue.

    Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

    2017ActionStrategyIndie3.99 USDDeck PlayableSteam ↗
  3. Zombie Driver HD

    WHY THIS

    Shares a challenging mood with The Riftbreaker: Prologue.

    Another title from EXOR Studios, the studio behind The Riftbreaker: Prologue. Shares Action and Indie with The Riftbreaker: Prologue.

    Insane mix of cars, speed, explosions, blood and zombies! Fight through an epic narrative campaign or test yourself in the Slaughter and Blood Race modes.

    2012ActionIndieRacing1.99 USDDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Lumencraft

    WHY THIS

    Shares an atmospheric mood with The Riftbreaker: Prologue.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Strategy with The Riftbreaker: Prologue.

    Lumencraft is a unique combination of a top-down, rogue-like shooter and base building with tower defense elements. Dig and light up dark halls of a fully destructible environment on procedurally generated maps and campaign levels to find precious Lumen - humanity's only chance for survival.

    2023ActionStrategyIndie19.99 USDDeck VerifiedSteam ↗
  2. Stardeus

    WHY THIS

    Shares a challenging mood with The Riftbreaker: Prologue.

    Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with The Riftbreaker: Prologue.

    Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

    2022StrategyIndieSimulation20.99 USDDeck VerifiedSteam ↗
  3. Satisfactory

    WHY THIS

    Shares an immersive mood with The Riftbreaker: Prologue.

    Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with The Riftbreaker: Prologue.

    Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!

    2024StrategyIndieAdventure39.99 USDDeck VerifiedSteam ↗

Frequently asked about The Riftbreaker: Prologue

Does The Riftbreaker: Prologue run on Steam Deck?
The Riftbreaker: Prologue is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
Is The Riftbreaker: Prologue free to play?
Yes — The Riftbreaker: Prologue is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
What games are most similar to The Riftbreaker: Prologue?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside The Riftbreaker: Prologue are The Riftbreaker, HORDE Survival, Machine Mind.
Who developed The Riftbreaker: Prologue?
The Riftbreaker: Prologue was developed by EXOR Studios and published by EXOR Studios, Surefire.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 The Riftbreaker: Prologue.

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