Games like Replicube
Games like Replicube include Papers, Please, while True: learn(), Stardew Valley, Besiege, and WorldBox - God Simulator. We matched them by the tags players give Replicube on Steam (Programming, Simulation, Puzzle, Sandbox, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Papers, Please
Shared: Simulation · Pixel Graphics · Puzzle

while True: learn()
Shared: Programming · Simulation · Puzzle

Stardew Valley
Shared: Pixel Graphics · Simulation · Sandbox

Besiege
Shared: Simulation · Sandbox · Puzzle

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

Opus Magnum
Shared: Programming · Puzzle · Simulation

Poly Bridge
Shared: Simulation · Puzzle · Sandbox

Baba Is You
Shared: Puzzle · Pixel Graphics · Programming

Poly Bridge 2
Shared: Puzzle · Simulation · Sandbox

Graveyard Keeper
Shared: Simulation · Pixel Graphics · Sandbox

The Signal State
Shared: Puzzle · Simulation · Programming

Bridge Constructor Portal
Shared: Simulation · Puzzle · Level Editor

SHENZHEN I/O
Shared: Programming · Puzzle · Simulation

Human Resource Machine
Shared: Programming · Puzzle · Simulation

Infinifactory
Shared: Puzzle · Programming · Simulation

TheoTown
Shared: Simulation · Sandbox · Pixel Graphics

People Playground
Shared: Sandbox · Simulation · Pixel Graphics

Sand:box
Shared: Simulation · Sandbox · Pixel Graphics

Crazy Machines 3
Shared: Simulation · Puzzle · Sandbox

Contraption Maker
Shared: Puzzle · Sandbox · Level Editor

The Farmer Was Replaced
Shared: Programming · Puzzle · Simulation

Last Call BBS
Shared: Puzzle · Retro · Sandbox

Car Mechanic Simulator 2021
Shared: Simulation · Sandbox · Puzzle

EXAPUNKS
Shared: Programming · Puzzle · Simulation