Single-player games like SunaBox - The Particle Sandbox That Remembers
Below are 8 single-player Steam games similar to SunaBox - The Particle Sandbox That Remembers, 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 SunaBox - The Particle Sandbox That Remembers page.
Ranked picks
- 1
Crafty Marbles
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Simulation with SunaBox - The Particle Sandbox That Remembers.
Craft the most epic marble runs and races you can imagine! Build crazy chain reactions, invent interactive gadgets, test with 1000s of marbles, and share the madness!
- 2
Combustor
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Simulation with SunaBox - The Particle Sandbox That Remembers.
Gas reaction simulator. Build the ultimate jet engine, solve puzzles, or just make everything explode!
- 3
Patchy
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Simulation with SunaBox - The Particle Sandbox That Remembers.
Patchy is a little robot who lives on your desktop. He fishes, gardens, cooks, catches bugs, and mostly functions without you. He'll sit back, watch movies and react to your local weather. If he is angry he will grab your cursor and nudge your panels around until you give him some attention.
- 4
Green Space
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Simulation with SunaBox - The Particle Sandbox That Remembers.
You're Blobby, the new Warden of Impact Park. Recycle trash into Blobbers, upgrade the park, talk to the locals, or don't — every choice you make changes how your fellow Blobs treat you. A cozy park-management game with mystery and heart.
- 5
Harvesters
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Simulation with SunaBox - The Particle Sandbox That Remembers.
A short incremental game about gathering resources on different planets. Upgrade the harvesters, unlock new buildings, and unlock new ways to gather resources! It's all about watching lil people do their thing.
- 6
Alembic
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Simulation with SunaBox - The Particle Sandbox That Remembers.
A falling-sand sandbox built on the **real periodic table**. Every element has genuine physical properties, and reactions emerge from real chemistry — rust iron, ignite thermite, run a galvanic cell, split a uranium pile to criticality. Discover it all in an encyclopedia that fills as you play.
- 7
National Park Tycoon
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Simulation with SunaBox - The Particle Sandbox That Remembers.
A peaceful (but sometimes chaotic) 2D simulation game in which you build your own national park, fill it with cozy campsites, craft beautiful hiking trails and scenic viewpoints, add fun activities for your visitors, and manage everything from park rangers and visitors to wild animals and finances.
- 8
A Little Cove
Single-player alternative to SunaBox - The Particle Sandbox That Remembers — playable solo, no multiplayer required. Shares Indie and Casual with SunaBox - The Particle Sandbox That Remembers.
When life gets heavy — a place to catch your breath. A little cove that's yours alone.