v1.0 - v1.5
mainly bug fixes and minor adds.

v1.6:
Fixed what caused the server to close down saying "you can only be logged into 1 server."
Improved the AI, made zombies no longer walk "linearly" at you but instead they will scatter across the map searching for food. They are also attracted to noise.
Bug fixes.

v1.7
New icons.
Bug fixes.

v1.8
New interface.
Bug fixes.
Lives in survival mode.
Click shooting responds faster.

v1.9
New game mode.
Other minor changes.

v2.0
Improved the headshot system.
Bug fixes.
Added some small tutorials.
Reduced CPU usage to reduce lag.

v2.1+ Beta
Extreme makeover! Check it out!