Games like The Last
Games like The Last include Rust, The Forest, Terraria, PUBG: BATTLEGROUNDS, and Far Cry 3. We matched them by the tags players give The Last on Steam (Action, Adventure, Survival, Simulation, and Sandbox): closest matches first, and among equally close ones the better-known games.

Rust
Shared: Survival · Adventure · Crafting

The Forest
Shared: Survival · Adventure · Action

Terraria
Shared: Survival · Sandbox · Adventure

PUBG: BATTLEGROUNDS
Shared: Survival · Action · FPS

Far Cry 3
Shared: Action · Adventure · FPS

ARK: Survival Evolved
Shared: Survival · Adventure · Action

Raft
Shared: Survival · Adventure · Crafting

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

Scrap Mechanic
Shared: Survival · Sandbox · Adventure

Green Hell
Shared: Survival · Action · Adventure

Don't Starve
Shared: Survival · Adventure · Sandbox

Hurtworld
Shared: Survival · FPS · Adventure

Far Cry® 4
Shared: Action · Adventure · FPS

Once Human
Shared: Action · Survival · Multiplayer

The Long Dark
Shared: Survival · Adventure · First-Person

ARK: Survival Ascended
Shared: Survival · Adventure · Action

Garry's Mod
Shared: Sandbox · Multiplayer · Simulation

Stranded Deep
Shared: Survival · Adventure · First-Person

Sons Of The Forest
Shared: Survival · Multiplayer · Adventure

Far Cry® Primal
Shared: Action · Survival · Adventure

Grand Theft Auto V Legacy
Shared: Action · Adventure · First-Person

Feed and Grow: Fish
Shared: Simulation · Survival · Action

Bum Simulator
Shared: Adventure · Action · Simulation

Arma 3
Shared: Action · Simulation · First-Person