Box Simulator its Bubble kvas is a free Android game developed by BoxSimulator BS. This game is not a hack of Brawl Stars, but a fan-made simulator of boxes for Brawl Stars. The game allows players to experience the excitement of opening cases with a drop probability as close as possible to the probability from Brawl Stars. The simulator also enables players to calculate how many boxes they need to open to get all the characters, how many boxes must be open to pump a certain character, such as Colonel Rufs or Byron to the max level.

The game consists of two parts: part 1 is the standard opening of the boxes, and part 2 is to upgrade fighters, simulate games, get cups and complete the Brawl Pass. There is a store in the game, where every day you can get the ultimate box and buy power points for brawlers. Overall, Box Simulator its Bubble kvas is a great game for fans of Brawl Stars who want to experience the excitement of opening cases and upgrading their favorite characters.