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

Broken World
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Adventure and Simulation with Sandbox Apocalypse.
"Broken World" is an exciting post-apocalyptic low-poly game where players have to survive in a world overrun by zombies and chaos. Build and strengthen your shelters, fight various threats and explore a dangerous world full of secrets and dangers.
- 2

Zector 7
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Adventure with Sandbox Apocalypse.
Craft, Build and Fight alongside your friends across this deadly open-world. Use both modern day and sci-fi tech as you Loot, Harvest and Trade for resources, gear and vehicles in order to survive the wasteland.
- 3

7 Days to Die
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Adventure with Sandbox Apocalypse.
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!
- 4

DeadPoly
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Adventure with Sandbox Apocalypse.
DeadPoly is a polygon arcade zombie survival looter shooter with base building, crafting, scavenging, leveling, questing, and more, but your only goal is survival, everything else is optional.
- 5

Crushed
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Simulation with Sandbox Apocalypse.
Crushed — is an Singleplayer and Multiplayer First-Person Survival Sandbox in an Open World! Challenge the wild and be ready to survive in harsh conditions. Explore the world, get resources, cook food, build a house, farm, hunt, and enjoy nature.
- 6

State of Decay 2: Juggernaut Edition
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Simulation with Sandbox Apocalypse.
The dead have risen and civilization has fallen. Now it's up to you to gather survivors, scavenge for resources and build a community in a post-apocalyptic world – a world where you define what it means to survive in this ultimate zombie survival simulation.
- 7

Infection Free Zone
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Simulation with Sandbox Apocalypse.
Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!
- 8

HumanitZ
Single-player alternative to Sandbox Apocalypse — playable solo, no multiplayer required. Shares Action and Adventure with Sandbox Apocalypse.
HumanitZ is an isometric, open-world sandbox survival game set in a world ended by a zombie outbreak. Survive alone or with friends by scavenging, crafting, building, and fighting to last as long as ‘humanly’ possible. You can’t change the past, but you can fight for the future of humanity.