IMHO.

Games like Project 5: Sightseer

Open world multiplayer sandbox/RPG game. Explore, gather, build, research, and fight to protect what's yours -- by yourself or together with your friends.

2019ActionIndieAdventureRPGFree to playWindows · macOS · Linuxby Tasharen Entertainment Inc.
Project 5: Sightseer header
Players highlight
multiplayer-co-op-without-lagoutpost-oriented-factory-production-feels-like-rts-automationprocedural-generation-creates-endless-explorationatmosphericchallengingcontemplative

Players who liked Project 5: Sightseer also play

Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.

  1. 1

    Osiris: New Dawn

    Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.

    2023ActionIndieAdventureDeck PlayableSteam ↗
  2. 2

    Satisfactory

    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 ↗
  3. 3

    Medieval Dynasty

    Hunt, survive, build and lead in the harsh Middle Ages: Create your own Medieval Dynasty and ensure its long-lasting prosperity or die trying! Play alone or team up with friends to enjoy the ultimate medieval experience.

    2021ActionIndieAdventure34.99 USDDeck PlayableSteam ↗
  4. 4

    TerraTech

    TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.

    2018ActionIndie24.99 USDDeck PlayableSteam ↗
  5. 5

    Windward

    Windward is an action-filled multiplayer sandbox game that puts you in control of a ship sailing the high seas of a large procedurally-generated world.

    2015ActionIndieAdventure9.99 USDSteam ↗
  6. 6

    Project Zomboid

    Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..

    2013IndieSimulationRPG19.99 USDDeck VerifiedSteam ↗
  7. 7

    Conan Exiles

    An online multiplayer survival game, now with sorcery, set in the lands of Conan the Barbarian. Survive in a vast open world sandbox, build your home into a kingdom, and dominate your enemies in single or multiplayer.

    2018ActionStrategyAdventure39.99 USDSteam ↗
  8. 8

    TerraTech Worlds

    TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment

    2024ActionStrategyIndie29.99 USDDeck PlayableSteam ↗

Reviewers mention these as similar to Project 5: Sightseer

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. 1

    RimWorld

    A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

    2018StrategyIndieSimulation34.99 USDDeck VerifiedSteam ↗
  2. 2

    Windward

    Windward is an action-filled multiplayer sandbox game that puts you in control of a ship sailing the high seas of a large procedurally-generated world.

    2015ActionIndieAdventure9.99 USDSteam ↗
  3. 3

    Factorio

    Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.

    2020StrategyIndieSimulation35.00 USDDeck VerifiedSteam ↗

More from Tasharen Entertainment Inc.

Other recommendable Steam games by Tasharen Entertainment Inc., ranked by review count so the studio's hits land first.

  1. 1

    Windward

    Windward is an action-filled multiplayer sandbox game that puts you in control of a ship sailing the high seas of a large procedurally-generated world.

    2015ActionIndieAdventure9.99 USDSteam ↗
  2. 2

    Windward Horizon

    Trade, quest, fight, or simply set sail and enjoy the ambiance in this charming open world naval RPG. Sequel to Tasharen's fan favorite game Windward released on Steam in 2015.

    2025ActionIndieAdventure19.99 USDSteam ↗
  3. 3

    Celestis

    Celestis is a real-time strategy game where the goal is to take control of the procedural galaxy by capturing stars.

    2024StrategyIndieCasual4.99 USDSteam ↗

Frequently asked about Project 5: Sightseer

Is Project 5: Sightseer free to play?
Yes — Project 5: Sightseer 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.
Does Project 5: Sightseer have multiplayer or co-op?
Yes — Project 5: Sightseer supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online PvP).
What games are most similar to Project 5: Sightseer?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Project 5: Sightseer are Osiris: New Dawn, Satisfactory, Medieval Dynasty.
Who developed Project 5: Sightseer?
Project 5: Sightseer was developed by Tasharen Entertainment Inc..

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 Project 5: Sightseer.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

Games like Project 5: Sightseer — top similar games · imho.run