Single-player games like Ruin
Below are 8 single-player Steam games similar to Ruin, 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 Ruin page.
Ranked picks
- 1

SmallZ
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action with Ruin.
SmallZ is a third person zombie survival game. Form a team or go solo to survive from many threats such as zombies, boss zombies and other players. Build fortifications on different buildings or build your own base from scratch. There are plenty of build parts available for you to craft!
- 2

Fargone
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action and Simulation with Ruin.
Fargone is an RPG-based survival game with a strong focus on creating a living, breathing world through dynamic events, and NPC interactions. Set in a fictional land known only as The Barrens, you must survive by any means, whether that be alone or by allying yourself with a faction.
- 3

Sapiens
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Simulation and Early Access with Ruin.
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
- 4

Enshrouded
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action and RPG with Ruin.
You are Flameborn, last ember of hope of a dying race. Awaken, survive the terror of a corrupting fog, and reclaim the lost beauty of your kingdom. Venture into a vast world, vanquish punishing bosses, build grand halls and forge your path in this co-op survival action RPG for up to 16 players.
- 5

Kenshi
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action and Simulation with Ruin.
A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors.
- 6

ARK: Survival Ascended
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action with Ruin.
ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!
- 7

The Riftbreaker
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action with Ruin.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 8

Towers of Aghasba
Single-player alternative to Ruin — playable solo, no multiplayer required. Shares Action and RPG with Ruin.
Explore a stunning open-world filled with majestic creatures and quirky characters. Nurture the barren land into vibrant ecosystems and flex your creativity as you build a thriving civilization in balance with nature.