Godzilla Play Muscle Brother is a free Android game developed by マイスターソフト　ShowGames. It is an action game that allows players to rampage and defeat various monsters in a special effects set. The game is designed to cater to the human desire of watching monster movies and experiencing the thrill of being a monster.

The game's controls are simple, with players tapping the left and right sides of the screen to move the monster. The objective is to defeat Bill and other fighters, using a beam to shoot them down. The game also features a ranking and share function, which allow players to compete with each other and share their scores on social media.

Godzilla Play Muscle Brother features character cooperation with "Dogzer," a base male muscular, and various laboratory elements from TekitouCityGenerator Marunaka. The game's music is provided by Kazuchi, and the sound effects are from Killy's sound effects lab.

Overall, Godzilla Play Muscle Brother is a fun and thrilling game for those who enjoy action games and the monster movie genre. The game's graphics and sound effects are excellent, and the controls are simple and responsive. It is a great game for killing time and enjoying some mindless fun.