A free program for Android, by Tomasz Pilarsk.
In Book of Fallen, you will have to control your character by moving left and right, collecting useful items and dodging danger.
On your way, you will have to overcome many obstacles, such as traps and pits. The traps will increase in difficulty as you go further, and the pits will require you to find a way to get around them.
The gameplay is simple and fast-paced, and it is easy to pick up and play.
The graphics and soundtrack immerse you in the exciting world of Book of Fallen, and the game is easy to play and very fun.