Flappy Nightmares is a free mobile game developed by K Monkey for Android devices. It is an adventure game that will keep you on the edge of your seat. The game is set up in a dungeon, and the main objective is to find as many eggs as possible and escape from the terror that awaits you.

From the creator of Dungeon Nightmares, which was reviewed as one of the scariest mobile games out there, K Monkey has brought the ultimate horror in gaming with Flappy Nightmares. The game has simple controls, and the player has to navigate through the dungeon while avoiding obstacles and collecting eggs.

The game has 11 achievements, and players can compete with each other on online leaderboards. The game is engaging and will keep you hooked for hours. Follow the developer's Twitter handle @kmonkeyblog for updates.