After analyzing all the feedback received so far, I decided to make the following significant changes to the controls:

• No more double clicks to perform heavy attacks. Heavy attacks can be performed with the right mouse click. Alternatively heavy attacks can be performed by pressing the Alt key.
• Attacks can be performed while in the air. Previously attacking enemies was only possible on the ground.
• The instakill button moved from the right mouse button to the key Q. The eating corpses or deploying a bomb button moved from Y to the Back button on the Xbox 360 controller. Y is now the heavy attack button on the controller.
• Added short descriptions to the control screen: the eating corpses button has to be unlocked and bombs have to be bought.

Animations:

• Animator logic has been updated to create faster response times and a better feel to the core combat. Jumping and rolling animations can now be instantly interrupted by attack animations. This gives more direct control to the player.
• Normal attack animation speeds increased for faster gameplay. Hack away!
• Recalibrated the use of stamina. Normal attacks take 33% less stamina.

Co-op:

• Players two, three and four get a dedicated key for heavy attacks.

I would like to thank everyone who left me invaluable feedback by writing reviews or making videos.

I am eternally grateful,
Rain