Games like Idle Survival: Last Haven
Games like Idle Survival: Last Haven include Kenshi, Terraria, Project Zomboid, Dragon Cliff, and 7 Days to Die. We matched them by the tags players give Idle Survival: Last Haven on Steam (Adventure, Idler, Incremental, Post-apocalyptic, and Sandbox): closest matches first, and among equally close ones the better-known games.

Kenshi
Shared: Sandbox · Survival · Post-apocalyptic

Terraria
Shared: Sandbox · Adventure · Survival

Project Zomboid
Shared: Survival · Sandbox · Post-apocalyptic

Dragon Cliff
Shared: Idler · Incremental · RPG

7 Days to Die
Shared: Survival · Post-apocalyptic · Adventure

Starbound
Shared: Adventure · Sandbox · Survival

Don't Starve Together
Shared: Adventure · Survival · Sandbox

Rust
Shared: Survival · Adventure · Sandbox

Cookie Clicker
Shared: Idler · Incremental · Pixel Graphics

Increlution
Shared: Idler · Incremental · Time Management

Fallout 4
Shared: Post-apocalyptic · Adventure · RPG

Melvor Idle
Shared: Idler · Adventure · RPG

xiuzhen idle
Shared: Idler · Incremental · RPG

Idle Champions of the Forgotten Realms
Shared: Idler · Adventure · Incremental

SKYHILL
Shared: Adventure · Survival · Post-apocalyptic

Plantera
Shared: Idler · Incremental · Sandbox

Firestone – Idle Clicker Online RPG
Shared: Idler · Incremental · RPG

The Long Dark
Shared: Survival · Adventure · Sandbox

Digseum
Shared: Incremental · Idler · Casual

Don't Starve
Shared: Adventure · Survival · Sandbox

The Scroll of Taiwu : Beyond The Dome
Shared: Sandbox · RPG · Adventure

Necesse
Shared: Adventure · Sandbox · Survival

Click the Button
Shared: Incremental · Idler · Point & Click

No-brainer Heroes 挂机吧!勇者
Shared: Adventure · Idler · RPG