Games like Altruistic
Games like Altruistic include Stardew Valley, WorldBox - God Simulator, Papers, Please, Fields of Mistria, and The Binding of Isaac: Rebirth. We matched them by the tags players give Altruistic on Steam (Simulation, Sports, God Game, Farming Sim, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Farming Sim · Pixel Graphics · Simulation

WorldBox - God Simulator
Shared: Simulation · God Game · Pixel Graphics

Papers, Please
Shared: Simulation · Pixel Graphics · Indie

Fields of Mistria
Shared: Farming Sim · Simulation · Pixel Graphics

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Indie

Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · Indie

Session: Skate Sim
Shared: Sports · Simulation · Indie

Graveyard Keeper
Shared: Simulation · Pixel Graphics · Indie

Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · Indie

Simmiland
Shared: Simulation · God Game · Pixel Graphics

Mountain
Shared: Simulation · God Game · Indie

Atomicrops
Shared: Farming Sim · Action Roguelike · Pixel Graphics

Sun Haven
Shared: Farming Sim · Pixel Graphics · Simulation

Teamfight Manager
Shared: Simulation · Sports · Pixel Graphics

DAVE THE DIVER
Shared: Pixel Graphics · Simulation · Farming Sim

EA SPORTS FC™ 25
Shared: Sports · Simulation · Singleplayer

Touhou Mystia's Izakaya
Shared: Simulation · Pixel Graphics · Anime

PIPE by BMX Streets
Shared: Simulation · Sports · Indie

Farming Simulator 19
Shared: Simulation · Farming Sim · Singleplayer

Teamfight Manager 2
Shared: Simulation · Sports · Pixel Graphics

Assetto Corsa
Shared: Simulation · Sports · Singleplayer

Ages of Conflict: World War Simulator
Shared: Simulation · God Game · Artificial Intelligence

EA SPORTS FC™ 26
Shared: Sports · Simulation · Singleplayer

Reus
Shared: God Game · Simulation · Indie