IMHO.

Single-player games like PEAK

Below are 16 single-player Steam games similar to PEAK, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

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

Ranked picks

  1. 1
    Drive With Friends — Steam game cover

    Drive With Friends

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Adventure with PEAK.

    Friendslop Drive is a chaotic co‑op driving game where one car is shared by multiple players. As one of the top friendslop games, teamwork and rivalry collide on a mysterious island. Can your crew reach the PEAK of madness and escape together? Only the best bros survive the ride!

    2026ActionAdventureCasualSingle-playerSimilar games →
  2. 2
    R.E.P.O. — Steam game cover

    R.E.P.O.

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action with PEAK.

    An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

    2025ActionEarly Access6.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Gamble With Your Friends — Steam game cover

    Gamble With Your Friends

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Indie and Adventure with PEAK.

    An online 1-6 player co-op "casino crawler" where you and your friends share one bank account and one massive debt. Gamble, buy sketchy items, make terrible decisions, and climb an ominous casino tower to hit your loan shark’s daily quota in 5 minutes - or face the consequences.

    2026IndieAdventureSimulation4.95 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Climb to the Moon — Steam game cover

    Climb to the Moon

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Indie with PEAK.

    Build a tower from everything on earth and climb to the MOON, solo or 4 player co-op!

    2026IndieSimulationCasualSingle-playerSimilar games →
  5. 5
    Project Techtonic — Steam game cover

    Project Techtonic

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    Assemble a team of E.D.G.A.R robots for a chaotic co-op adventure into ancient temples on rapidly eroding islands. Develop your museum’s collection using the treasure retrieved on each perilous expedition while the corrupt OMEN Corporation is in pursuit. Adventure awaits. Mayhem ensues.

    ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    Chambered — Steam game cover

    Chambered

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Indie and Adventure with PEAK.

    Chambered is a 4-player online co-op adventure where you and your friends are trapped inside a chaotic maze of cube chambers. Work together, avoid deadly traps, use strange items, and try to make it out alive.

    IndieAdventureSingle-playerSimilar games →
  7. 7
    FixForce — Steam game cover

    FixForce

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    Leap, climb, and launch your friends in this chaotic co-op extraction platformer for up to 6 players! Use your drill-wrench to build your way across a vibrant post-apocalyptic world, find replacement parts, and fix broken machines. And if you lose your head, don’t worry: it’s all part of the job.

    2026ActionIndieCasual7.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Dear Passengers — Steam game cover

    Dear Passengers

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    Play in co-op as the crew of the world’s worst airline. Your plane is falling apart, your cargo is illegal, and passenger safety barely makes the list.

    2026ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    Terraria — Steam game cover

    Terraria

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Valheim — Steam game cover

    Valheim

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    A brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!

    2021ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Portal — Steam game cover

    Portal

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action with PEAK.

    Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Risk of Rain 2 — Steam game cover

    Risk of Rain 2

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing.

    2020ActionIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Minecraft: Story Mode - A Telltale Games Series — Steam game cover

    Minecraft: Story Mode - A Telltale Games Series

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Adventure with PEAK.

    Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.

    2015AdventureDeck PlayableSingle-playerSimilar games →
  14. 14
    Oblivion — Steam game cover

    Oblivion

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Indie and Adventure with PEAK.

    Oblivion is a short, story-driven first-person horror game. Uncover the truth hidden within an abandoned school — but beware, some memories were never meant to return.

    2025IndieAdventure0.99 USDSingle-playerSimilar games →
  15. 15
    Portal Knights — Steam game cover

    Portal Knights

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Adventure with PEAK.

    The world of Elysia needs YOU! Join this cooperative, 3D sandbox action RPG to level up your character, craft epic weapons, conquer enemies in real-time, and build almost anything! Craft your adventure. Forge your hero. Become the ultimate Portal Knight!

    2017ActionAdventureRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  16. 16
    Big Hops — Steam game cover

    Big Hops

    Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.

    Tongue-swing, free climb, and build your own path forward in a new kind of 3D platformer! Plant veggie bounce pads, tightropes, hookshots, and much more. Find a way home through huge Desert, Ocean, and Mountain worlds and collect bugs, upgrade your backpack, and meet animal friends along the way.

    2026ActionIndieAdventure15.99 USDDeck VerifiedSingle-playerSimilar games →