Monstrous Hotel of Monsters is a free-to-play simulation game developed by Origins Interactive for Android devices. The game lets you run and manage your own monster hotel. Renovate and maintain your hotel to attract monster customers and hire ghosts to help you manage it.

The game features different floors with prestigious functions to boost the satisfaction of your guests. You can also manage a hotel with multiple floors and enrich your hotel with different species of monsters, including common, rare, and event monsters. Customize your manager with multiple skins to make your hotel unique.

One of the best things about this game is that it can be played online or offline, and no internet connection is required. However, it's worth noting that the game does have in-app purchases, but you can disable this feature in your device settings if you don't want to use it.

Overall, Monstrous Hotel of Monsters is a fun and engaging simulation game that is perfect for those who love monsters and management games.