IMHO.

Co-op games like Planetary Delivery Boys

Below are 8 cooperative Steam games similar to Planetary Delivery Boys, ranked by player overlap and content similarity. Every pick supports cooperative play — online co-op, LAN co-op, or shared/split-screen — so you can play with friends right out of the box. imho.run pulls from the same Steam category data Valve uses internally, so "Co-op" here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Planetary Delivery Boys page.

Ranked picks

  1. 1
    Coal Duty — Steam game cover

    Coal Duty

    Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Adventure with Planetary Delivery Boys.

    1–5 Player Co-op Extraction Horror-Comedy. Under a frozen sky and an iron-fisted regime, you work to survive by descending into forbidden depths, scavenging resources and quietly plotting your escape.

    2026ActionAdventureEarly AccessCo-opSimilar games →
  2. 2
    InfestStation — Steam game cover

    InfestStation

    Online Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Indie with Planetary Delivery Boys.

    INFESTSTATION is a multiplayer Sci-Fi horror game. Board danger-filled abandoned space craft, work together to complete objectives, and sever the dimensional gateways that have allowed horrifying threats to take over and infest these now derelict spaces.

    2024ActionIndieEarly Access3.99 USDDeck PlayableCo-opSimilar games →
  3. 3
    Doomed Crew — Steam game cover

    Doomed Crew

    Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Indie with Planetary Delivery Boys.

    Co-op Horror (1-4 players). Enemies mimic your teammates, environment lies to you. A brutal corporation promises you freedom, can your team survive the chaos?

    2026ActionIndieAdventureCo-opSimilar games →
  4. 4
    Mimic — Steam game cover

    Mimic

    Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Indie with Planetary Delivery Boys.

    Deduce who you can trust in this asymmetrical online survival horror game for up to 10 players. Solve the objectives, survive the killer Android hunting you, and hunt from the shadows as the Mimic; a shape-shifting terror hiding amongst you.

    2026ActionIndieAdventureCo-opSimilar games →
  5. 5
    Cargo Duty — Steam game cover

    Cargo Duty

    Online Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Indie with Planetary Delivery Boys.

    Your crew is on a mission to collect cargo. As you are going from moon to moon, there are creatures who will try and stop you. How long will you survive ?

    2024IndieFree To PlayCasualFreeDeck VerifiedCo-opSimilar games →
  6. 6
    CORDURA — Steam game cover

    CORDURA

    Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Adventure with Planetary Delivery Boys.

    Cordura is a 4 player online co-op psychological horror where sanity is your most scarce resource. While one player guides the team, the others explore shifting procedural Victorian labyrinths. Lose your sanity and the night will mimic your team to feed your paranoia. Escape and survive.

    ActionAdventureCo-opSimilar games →
  7. 7
    Scavenge Protocol — Steam game cover

    Scavenge Protocol

    Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Indie with Planetary Delivery Boys.

    Land on strange planets, loot valuable junk, dodge deadly creatures, convert scrap into energy, and desperately attempt to survive with your friends in this co-op horror adventure.

    2026ActionIndieAdventureCo-opSimilar games →
  8. 8
    VAULTRATS — Steam game cover

    VAULTRATS

    Co-op alternative to Planetary Delivery Boys — playable with friends. Shares Action and Indie with Planetary Delivery Boys.

    Scavenge after the Collapse. Extract before it's too late.

    2026ActionIndieAdventure7.99 USDCo-opSimilar games →