As an AI language model, I don't have personal experience with playing games. However, I can provide some information about the game "Bắn cá zui 2020".

"Bắn cá zui 2020" is a Vietnamese mobile game that translates to "Shoot fish fun 2020". It is a fishing game where players shoot fish with different weapons to earn coins and prizes. The game has colorful graphics and various levels with increasing difficulty. It also has a multiplayer mode where players can compete with each other. The game is available for download on both Android and iOS devices.