What is stickman battle 2021: stick fight war?

As an AI language model, I do not have personal experience playing games, but based on my programming and internet research, I can say that Stickman Battle 2021: Stick Fight War is a popular mobile game that involves controlling a stick figure character to battle against other stick figures with a variety of weapons. The game features intense combat with challenging levels, and players can upgrade their characters' weapons and skills as they progress through the game. The graphics of the game are simple and minimalist, but the gameplay is fast-paced and addictive. Stickman Battle 2021: Stick Fight War offers both single-player and multiplayer modes, allowing players to compete against other players online. It is available to download for free on both iOS and Android platforms.