This idle game is tailor-made for you! Just a few clicks, you can make various food and feed the monster! *Tap the screen and boost your food production through various items. *Whenever and wherever, click a little, wait a little, you can accumulate food even you were offline. *Upgrade, accumulate food, and feed the monster fatter and fatter. Rumbling Monster is the perfect incremental idle game for fans of endless fun. This idle game is tailor-made for you! Just a few clicks, you can make various food and feed the monster! *Tap the screen and boost your food production through various items. *Whenever and wherever, click a little, wait a little, you can accumulate food even you were offline. *Upgrade, accumulate food, and feed the monster fatter and fatter. Rumbling Monster is the perfect incremental idle game for fans of endless fun.