Gameplay recalls The Binding of Isaac. You move your character with the WASD keys, and shoot with the directional arrows. That means that you don't have to use your mouse - just the keyboard - to move and shoot with your character.
One major strong point in Grimgala is its graphic design, which is very dark and dismal, with truly creepy pixelated enemies like spiders.
As you advance through the game, you'll be able to collect runes with which to improve your attacks. The only bad thing about this system is that although it's nice to progress, eventually you actually end up having too much power.
Grimgala is a fun action game with a unique visual style that offers entertaining gameplay.