V4 is an MMORPG game made by Nexon which was released in Indonesia on July 23, 2020. The game developed with Unreal Engine 4 carries an open world concept with the Medieval theme which has become a common theme for most mobile MMORPGs.

This game was developed by Nat Games who had never previously developed an MMORPG Mobile game with an open world format. The game developer from South Korea was previously known for the game OVERHIT. As the first open world game, V4 can be seen as an important portfolio for Nat Games.