Games like Flappy Box
Games like Flappy Box include House Flipper, The Long Dark, Slime Rancher, Fallout 4, and The Forest. We matched them by the tags players give Flappy Box on Steam (Exploration, Immersive Sim, Design & Illustration, Sandbox, and Open World): closest matches first, and among equally close ones the better-known games.

House Flipper
Shared: Design & Illustration · Sandbox · Singleplayer

The Long Dark
Shared: Exploration · Open World · Atmospheric

Slime Rancher
Shared: Exploration · Open World · Sandbox

Fallout 4
Shared: Exploration · Open World · Singleplayer

The Forest
Shared: Open World · Exploration · Building

No Man's Sky
Shared: Exploration · Open World · Sandbox

PC Building Simulator
Shared: Immersive Sim · Sandbox · Building

My Dream Setup
Shared: Design & Illustration · Sandbox · Building

Stormworks: Build and Rescue
Shared: Sandbox · Open World · Immersive Sim

Internet Cafe Simulator 2
Shared: Exploration · Sandbox · Immersive Sim

Out of Ore
Shared: Exploration · Sandbox · Choose Your Own Adventure

Mon Bazou
Shared: Sandbox · Exploration · Choose Your Own Adventure

Big Walk
Shared: Exploration · Open World · Sandbox

Sons Of The Forest
Shared: Open World · Exploration · Building

American Truck Simulator
Shared: Open World · Exploration · Immersive Sim

Euro Truck Simulator 2
Shared: Open World · Exploration · Immersive Sim

Avorion
Shared: Exploration · Sandbox · Open World

Terraria
Shared: Sandbox · Exploration · Building

SnowRunner
Shared: Exploration · Open World · Sandbox

SuchArt: Genius Artist Simulator
Shared: Design & Illustration · Immersive Sim · Sandbox

Kerbal Space Program 2
Shared: Exploration · Sandbox · Building

Firewatch
Shared: Atmospheric · Exploration · Open World

Garry's Mod
Shared: Sandbox · Building · Singleplayer

LEGO® Worlds
Shared: Open World · Sandbox · Exploration

