Games like Alone
Games like Alone include The Escapists, Papers, Please, Home Behind 2, Don't Starve Together, and Totally Accurate Battle Simulator. We matched them by the tags players give Alone on Steam (Indie, Simulation, Strategy, Adventure, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

The Escapists
Shared: Strategy · Pixel Graphics · Simulation

Papers, Please
Shared: Indie · Simulation · Pixel Graphics

Home Behind 2
Shared: Strategy · Indie · Adventure

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

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

This War of Mine
Shared: Survival · Strategy · Simulation

Terraria
Shared: Survival · Pixel Graphics · Adventure

Home Behind
Shared: Indie · Adventure · Simulation

Banished
Shared: Strategy · Simulation · Indie

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

Forager
Shared: Indie · Pixel Graphics · Survival

Infectonator: Survivors
Shared: Strategy · Indie · Simulation

TheoTown
Shared: Simulation · Indie · Strategy

Don't Starve
Shared: Indie · Survival · Adventure

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

Organ Trail: Director's Cut
Shared: Indie · Strategy · Pixel Graphics

Rain World
Shared: Indie · Survival · Pixel Graphics

Graveyard Keeper
Shared: Simulation · Pixel Graphics · Indie

Dungeon of the ENDLESS™
Shared: Strategy · Indie · Pixel Graphics

Stoneshard
Shared: Strategy · Pixel Graphics · Survival

Knights of Pen and Paper 2
Shared: Strategy · Adventure · Indie

Party Hard 2
Shared: Indie · Pixel Graphics · Strategy

Sheltered
Shared: Survival · Strategy · Pixel Graphics

Game Dev Tycoon
Shared: Simulation · Indie · Strategy