Gameplay Changes

• Strafe movement now implemented.  WASD for movement and QE for turning.
• Interact key is now the TAB key.
• Final boss implemented.
• Enemy casters implemented (including final boss)  which cast shadow bolt.
• Enemy kills now grant XP.
• Mana regen increased to 5 mana every 5 seconds.
• Polymorph Chicken mana cost reduced to 5 mana.
• The potion vendor now sells Mana potions and Immunity potions, in addition to the original Health potions.
• Mana potions restore 20 mana and cost 20 gold. 
• Immunity potions will make you immune to damage for 5 seconds, but cost 50 gold.
• Right clicking gear in your backpack will equip them on your character, swapping out the old gear.
• Right clicking gear in your backpack while the Vendor Panel is showing will SELL the item for 5 gold to the vendor.  No confirmation warning for now, so be careful.   This was added so you can make room in your backpack.
• Many keyboard shortcuts removed.  Here is the updated simplified keyboard map:  

Other enhancements

• Loading screen now shows progress bar.
• Full Screen Button added to Pause Menu so you can force fullscreen while in game.
• 3D Health bar for enemies shader is now precompiled on Main Menu screen, and will no longer cause a shudder.  This was happening on every enemy.
• Ambient dungeon sound added

Below is the Vendor Panel:

You can  use your Health/Mana potions by clicking their respective potion icons with a left mouse button click.