Games like Lockdown Hero
Games like Lockdown Hero include Fallout 4, Fallout: New Vegas, Rust, ATLYSS, and 7 Days to Die. We matched them by the tags players give Lockdown Hero on Steam (Adventure, Open World, Cute, 3D Platformer, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

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

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

Rust
Shared: Open World · Survival · Adventure

ATLYSS
Shared: Adventure · Cute · RPG

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

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

Hogwarts Legacy
Shared: Open World · Adventure · RPG

Slime Rancher
Shared: Adventure · Cute · Open World

Dragon's Dogma 2
Shared: Open World · RPG · Adventure

Biomutant
Shared: Open World · Adventure · RPG

Marvel’s Spider-Man Remastered
Shared: Open World · Adventure · Superhero

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

Palworld
Shared: Open World · Survival · Adventure

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

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

Sonic Frontiers
Shared: Open World · Adventure · 3D Platformer

Kenshi
Shared: Open World · RPG · Survival

Monster Hunter: World
Shared: Open World · Adventure · RPG

The Forest
Shared: Open World · Adventure · Survival

Slime Rancher 2
Shared: Cute · Open World · Adventure

Assassin's Creed® Origins
Shared: Open World · Adventure · RPG

ARK: Survival Evolved
Shared: Open World · Adventure · Survival

The Elder Scrolls IV: Oblivion Remastered
Shared: Open World · Adventure · RPG

Last Oasis
Shared: Open World · Adventure · RPG