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

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.
- 2

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.
- 3

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.
- 4

Quack Hunters
Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.
Quack Hunters is a co-op monster hunt featuring the world’s bravest ducks! Grab your gear from the van, track the monsters, and secure the catch before the sun comes up. But stay sharp – your beam gun is prone to overheating in the heat of the moment!
- 5

Unshelved
Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.
Unshelved is an up to 4-player co-op Work-Life Horror Sim where you manage a cursed library. By day, handle book requests and earn an honest living. But as night falls, you must return books to their shelves and survive the horrors that haunt the halls!
- 6

OK👍 Boomer
Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.
A 4-player cooperative survival horror where you’ll explore the terrifying depths of the internet alongside your team of analog tech enthusiasts. Use old-school technology to purge glitches, preserve your digital sanity, and survive the strange monsters lurking in the deep web.
- 7

Goblin museum
Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.
A chaotic co-op extraction heist game where you play as goblins running a museum. Go on dangerous illegal expeditions to find artifacts for your collection. Scan, dig, loot, and RUN! Outsmart the police, fend off thieves, and get everyone onto the pickup helicopter magnet before time runs out.
- 8

Pratfall
Single-player alternative to PEAK — playable solo, no multiplayer required. Shares Action and Indie with PEAK.
A co-op game where you fall, dig, and explode your way down a dangerous cave system to find your lost dog. Catch your friends and watch your step on this journey full of traps, hazards, and the most deadly force of all: gravity. Will you jump into the unknown to rescue your dog?
- 9

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!
- 10

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!
- 11

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.
- 12

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.
- 13

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.
- 14

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.
- 15

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!
- 16

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.