Games like Big Survivor
Games like Big Survivor include Once Human, Skul: The Hero Slayer, Megabonk, ELDEN RING NIGHTREIGN, and Dome Keeper. We matched them by the tags players give Big Survivor on Steam (Action, Roguelike, Survival, Choices Matter, and Time Management): closest matches first, and among equally close ones the better-known games.

Once Human
Shared: Action · Survival · Free to Play

Skul: The Hero Slayer
Shared: Action · Roguelike · 2D

Megabonk
Shared: Roguelike · Action · Survival

ELDEN RING NIGHTREIGN
Shared: Roguelike · Action · Singleplayer

Dome Keeper
Shared: Roguelike · Action · Singleplayer

Stoneshard
Shared: Roguelike · Survival · 2D

Vampire Survivors
Shared: Roguelike · 2D · Singleplayer

Balatro
Shared: Roguelike · Singleplayer · Strategy

Brotato
Shared: Roguelike · Singleplayer · Survival

Ultimate Custom Night
Shared: Singleplayer · Free to Play · Survival

The Binding of Isaac
Shared: Roguelike · Action · Singleplayer

Nubby's Number Factory
Shared: Roguelike · Singleplayer · Stylized

Rogue Legacy
Shared: Roguelike · Action · Singleplayer

This War of Mine
Shared: Survival · Choices Matter · Singleplayer

Kingdom Rush Frontiers - Tower Defense
Shared: Singleplayer · 2D · Choices Matter

Terraria
Shared: Survival · 2D · Action

FTL: Faster Than Light
Shared: Roguelike · Singleplayer · Strategy

The Escapists
Shared: Action · Singleplayer · 2D

The Binding of Isaac: Rebirth
Shared: Roguelike · Singleplayer · Indie

Hades
Shared: Action · Roguelike · Singleplayer

Dead Cells
Shared: Roguelike · 2D · Action

Don't Starve
Shared: Survival · Singleplayer · Roguelike

PUBG: BATTLEGROUNDS
Shared: Survival · Action · Strategy

Crimson Desert Enhanced
Shared: Action · Singleplayer · Combat