Games like Survirus
Games like Survirus include The Long Dark, Don't Starve, Fallout 4, The Forest, and Project Zomboid. We matched them by the tags players give Survirus on Steam (Adventure, Indie, Open World, Post-apocalyptic, and Survival): closest matches first, and among equally close ones the better-known games.

The Long Dark
Shared: Open World · Survival · Adventure

Don't Starve
Shared: Adventure · Survival · Indie

Fallout 4
Shared: Open World · Post-apocalyptic · Adventure

The Forest
Shared: Open World · Survival · Adventure

Project Zomboid
Shared: Open World · Survival · Post-apocalyptic

Don't Starve Together
Shared: Survival · Adventure · Open World

No Man's Sky
Shared: Open World · Adventure · Survival

Rise of the Tomb Raider™
Shared: Adventure · Open World · Singleplayer

Sons Of The Forest
Shared: Open World · Survival · Adventure

Terraria
Shared: Survival · Adventure · Sandbox

7 Days to Die
Shared: Survival · Open World · Post-apocalyptic

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Post-apocalyptic · Survival

Days Gone
Shared: Open World · Post-apocalyptic · Survival

Slime Rancher
Shared: Adventure · Open World · Singleplayer

The Long Drive
Shared: Open World · Survival · Adventure

Rain World
Shared: Indie · Survival · Open World

Cairn
Shared: Indie · Adventure · Singleplayer

Fallout: New Vegas
Shared: Open World · Post-apocalyptic · Singleplayer

Subnautica
Shared: Survival · Open World · Adventure

The Last Caretaker
Shared: Survival · Open World · Singleplayer

Mad Max
Shared: Open World · Post-apocalyptic · Adventure

Hogwarts Legacy
Shared: Open World · Adventure · Singleplayer

Kenshi
Shared: Open World · Survival · Post-apocalyptic

Rust
Shared: Survival · Open World · Adventure