Single-player games like Rock Simulator 2
Below are 8 single-player Steam games similar to Rock Simulator 2, 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 Rock Simulator 2 page.
Ranked picks
- 1

Rock Simulator
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Rock Simulator 2.
Become what you have always imagined, a rock with no responsibilities, no debt, and no worries. The only thing on your checklist is to exist and watch as time fades away...also to become the golden rock.
- 2

Stone Simulator – Just Be a Rock
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Indie and Adventure with Rock Simulator 2.
Stone Simulator is a meditative idle game where you live as a rock enduring endless seasons and absurd events. Survive storms, unlock quirky achievements, and observe a serene, ever-changing world. Perfect for Zen-like relaxation or meme-worthy humor.
- 3

Rock Crusher
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Indie and Adventure with Rock Simulator 2.
Rock Crusher is an incremental game with a massive skill tree. Control a little rock-crushing machine stranded on a mysterious planet. Crush rocks, collect materials, evolve through upgrades, uncover the planet’s secrets - and maybe, just maybe, find a way to escape.
- 4

Vending Dokan!: Kozy Kiosk
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Rock Simulator 2.
Build a vending machine empire in this cozy idle sim! Manage staff, decorate locations, and watch your business thrive. Play actively or let it run passively in the background with relaxing music to enjoy while you work or unwind.
- 5

Placid Plastic Duck Simulator
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Simulation and Casual with Rock Simulator 2.
The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.
- 6

House Flipper 2
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Rock Simulator 2.
Clean your worries away with this relaxing renovation simulator! Buy, fix, sell, and become a local legend. Or grab your power tools and build anything from scratch! With the online 2-4 players co-op mode, you can play both in sandbox and story mode together.
- 7

Tree Simulator 2022
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Indie and Adventure with Rock Simulator 2.
It's exactly what it sounds like, but now with 100% more multiplayer. You are the tree and so is everyone else! You are equaled by no other, except maybe the forest... Relax and be the best tree you can be.
- 8

Zen Aquarium
Single-player alternative to Rock Simulator 2 — playable solo, no multiplayer required. Shares Simulation with Rock Simulator 2.
Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!