Major fixes:

• Added Screenshot function with F12 button, saved on resources/screenshots folder.
• Added achievements and an achievements menu to see them. When you get an achievement it takes a screenshot.
• Added a whole new first level to act as a tutorial.
• Changed gameplay song.
• Readjusted cámera FOV.
• Now stats get reset when you start new game.
• Nightmare mode is now harder ;)

Minor fixes: 

• Fixed minor UI bugs
• Added some easter eggs.
• Modified the point system, now it’s harder to get max level.