GrottyScape (Steam key/Region free).

http://store.steampowered.com/app/540310/
Creepy caves, which are teeming with various monsters, here´s where to go to be the main character of the game GrottyScape.
Run, jump, shoot, collect various bonuses to become more severe and kill more enemies.
In GrottyScape you have to fend off the monsters that will climb from all the cracks, as well as collecting "Coins of Life." If you do not have time to collect "Coin" in the allotted period of time, the game will be over and you will see how to score points.

Features:
• Beautiful graphics
• Excellent sound
• An exciting and dynamic gameplay
• And much more