IMHO.

Games like Harbor

Below are 11 hand-picked alternatives to Harbor for fans of action, indie, adventure, ranked by imho.run's hybrid recommender. Each pick is scored on three signals: collaborative filtering across millions of Steam libraries (which players who logged hours in Harbor also play), content overlap on genres, categories, and storefront tags, and review-mined "vibe" embeddings that catch tonal similarity even when the genre label differs. Sections below cover closest matches, reviewer cross-mentions, free-to-play picks. No login required — these picks work anchor-only.

About Harbor: In Harbor, your sole purpose is to survive. You need to access limited resources and protect everything you have. You will not only face hunger and thirst! You can form alliances with others, build shelters, and trade. There are no rules; the only safe zone is Harbor.

2026ActionIndieAdventureEarly AccessWindowsby CastilvaGames
Harbor — Steam game cover

Players who liked Harbor also play

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

  1. 1
    Rust — Steam game cover

    Rust

    Top pick for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harbor.

    The only aim in Rust is to survive. Everything wants you to die - the island’s wildlife, other inhabitants, the environment, and other survivors. Do whatever it takes to last another night.

    2018ActionIndieAdventure19.99 USDSteam ↗
  2. 2
    Deadside — Steam game cover

    Deadside

    Second-strongest match for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harbor.

    An Open World Survival Shooter blending hardcore PVP and PVE action. Secure precious loot in safe zones or build your own fortress in the wild. With intense gunfights, stunning visuals, and performance smooth enough for any system, the challenge awaits!

    2024ActionIndieAdventure9.99 USDSteam ↗
  3. 3
    XERA: Survival — Steam game cover

    XERA: Survival

    Third-strongest match for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harbor.

    Action-focused, open world survival shooter, PvPvE against fellow mercenaries and lethal XOIDS. Raid for resources alone or with team-mates, build and defend your base, stash your gear and survive against the odds. You are the hunters. You are the hunted. And the robots never sleep…

    2021ActionStrategyIndieFreeDeck PlayableSteam ↗
  4. 4
    Afterinfection — Steam game cover

    Afterinfection

    Ranked #4 for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harbor.

    Afterinfection is a brand new zombie survival game designed in Unreal 4 and being developed by a small team from Thailand. After creating your survivor, you’ll start with nothing and have to make your way across a large island searching for food, water, weapons, and crafting supplies.

    2025ActionStrategyIndie8.99 USDSteam ↗
  5. 5
    Longvinter — Steam game cover

    Longvinter

    Ranked #5 for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Harbor.

    Fish, farm, craft, gather, cook, loot or steal from other players and build a campsite or a village with your friends in an open-world multiplayer sandbox game without rules!

    2025ActionAdventureSimulation19.99 USDDeck PlayableSteam ↗
  6. 6
    Out of Reach — Steam game cover

    Out of Reach

    Ranked #6 for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harbor.

    You’re a castaway stranded in the middle of nowhere. Storm is gone, the worst certainly not. Look for food and resources, craft gear, make shelters. These are the basics, you need much more to stay alive on this cut-off-the-world, yet not desert island. Build & burn, sail & explore, be Out of Reach!

    2018ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  7. 7
    Survarium — Steam game cover

    Survarium

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

    Survarium is a post-apocalyptic online FPS game. If you are looking for a shooter where skills matter, look no further! The opposing players and deadly anomalies will never stop you on the way to victory, right? Then start playing now for free!

    2015ActionMassively MultiplayerRPGFreeSteam ↗
  8. 8
    Nomad — Steam game cover

    Nomad

    Ranked #8 for Harbor fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Harbor.

    Try and survive in the world of Nomad. Build a base and protect it from raiding players. Scavenge food, weapons and medical supplies across the island. Team up with others and make a base. Make your mark on the world of Nomad.

    2015ActionIndieAdventureFreeSteam ↗

Free alternatives

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

  1. 1
    XERA: Survival — Steam game cover

    XERA: Survival

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Harbor.

    Action-focused, open world survival shooter, PvPvE against fellow mercenaries and lethal XOIDS. Raid for resources alone or with team-mates, build and defend your base, stash your gear and survive against the odds. You are the hunters. You are the hunted. And the robots never sleep…

    2021ActionStrategyIndieFreeDeck PlayableSteam ↗
  2. 2
    Survarium — Steam game cover

    Survarium

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

    Survarium is a post-apocalyptic online FPS game. If you are looking for a shooter where skills matter, look no further! The opposing players and deadly anomalies will never stop you on the way to victory, right? Then start playing now for free!

    2015ActionMassively MultiplayerRPGFreeSteam ↗
  3. 3
    Nomad — Steam game cover

    Nomad

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Harbor.

    Try and survive in the world of Nomad. Build a base and protect it from raiding players. Scavenge food, weapons and medical supplies across the island. Team up with others and make a base. Make your mark on the world of Nomad.

    2015ActionIndieAdventureFreeSteam ↗

Frequently asked about Harbor

Does Harbor have multiplayer or co-op?
Yes — Harbor supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
What games are most similar to Harbor?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Harbor are Rust, Deadside, XERA: Survival.
Who developed Harbor?
Harbor was developed by CastilvaGames.

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 Harbor.

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