Games like FLAGFIGHTS
Games like FLAGFIGHTS include Happy Room, Ultimate Epic Battle Simulator, Plague Inc: Evolved, Game Dev Tycoon, and Pixel Puzzles: UndeadZ. We matched them by the tags players give FLAGFIGHTS on Steam (Casual, Action, Indie, Simulation, and Strategy): closest matches first, and among equally close ones the better-known games.

Happy Room
Shared: Action · Simulation · Gore

Ultimate Epic Battle Simulator
Shared: Simulation · Action · Strategy

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Pixel Puzzles: UndeadZ
Shared: Casual · Indie · Simulation

People Playground
Shared: Gore · Violent · Simulation

EmergeNYC
Shared: Simulation · Action · Early Access

Beast Battle Simulator
Shared: Simulation · Action · Strategy

DOKA 2 KISHKI EDITION
Shared: Action · Indie · Gore

Hotline Miami
Shared: Action · Indie · Violent

Mini Motorways
Shared: Casual · Simulation · Strategy

Achievement Clicker
Shared: Casual · Indie · Simulation

Plebby Quest: The Crusades
Shared: Casual · Indie · Strategy

[Chillas Art] Aka Manto
Shared: Indie · Action · Gore

There's Poop In My Soup
Shared: Casual · Indie · Action

ShellShock Live
Shared: Action · Strategy · Casual

Total Tank Simulator
Shared: Action · Simulation · Strategy

Granny Simulator
Shared: Simulation · Indie · Casual

Who's Your Daddy?!
Shared: Simulation · Strategy · Casual

G2 Fighter / 基因特工
Shared: Action · Casual · Indie

Startup Company
Shared: Simulation · Casual · Indie

Guts and Glory
Shared: Action · Casual · Indie

We Who Are About To Die
Shared: Action · Simulation · Strategy