Games like Border Town
Games like Border Town include Terraria, Rust, Stardew Valley, My Time at Portia, and Don't Starve Together. We matched them by the tags players give Border Town on Steam (Adventure, Open World, Sandbox, Farming Sim, and RPG): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Sandbox · Adventure · Survival

Rust
Shared: Open World · Survival · Adventure

Stardew Valley
Shared: Farming Sim · RPG · Sandbox

My Time at Portia
Shared: Open World · RPG · Farming Sim

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

Conan Exiles Enhanced
Shared: Open World · Survival · Building

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

Kenshi
Shared: Open World · Sandbox · RPG

The Forest
Shared: Open World · Adventure · Survival

Palworld
Shared: Open World · Survival · Adventure

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

Scrap Mechanic
Shared: Sandbox · Open World · Building

Enshrouded
Shared: Open World · Survival · Adventure

Project Zomboid
Shared: Open World · Survival · Sandbox

Once Human
Shared: Open World · Survival · Building

7 Days to Die
Shared: Open World · Survival · Building

Valheim
Shared: Open World · Survival · Building

Starbound
Shared: Sandbox · Adventure · Survival

Forager
Shared: Farming Sim · Sandbox · Survival

Core Keeper
Shared: Open World · Sandbox · Survival

Keplerth
Shared: Adventure · Sandbox · Open World

Last Oasis
Shared: Open World · Adventure · RPG

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

Raft
Shared: Open World · Survival · Adventure