* Regeneration
     o Description: Gives a player health every second.
     o Level 1: 1hp per second
     o Level 2: 2hp per second
     o ...
     o Level 5: 5hp per second
  * Health+ (Health Bonus)
     o Description: Sets the maximum health a player has.
     o Level 1: 125 health max
     o Level 2: 150 health max
     o Level 3: 175 health max
     o Level 4: 200 health max
     o ...
     o Level 16: 500 health max
  * Resupply
     o Description: Gives a player ammo every 3 seconds.
     o Level 1: 1 ammo for every gun per 3 seconds
     o Level 2: 2 ammo for every gun per 3 seconds
     o ...
     o Level 5: 5 ammo for every gun per 3 seconds
  * Vampire
     o Description: The damage done to an enemy is the health rewarded to the player.
     o Level 1: 7.5% of the damage is rewarded
     o Level 2: 15% of the damage is rewarded
     o Level 3: 22.5% of the damage is rewarded
     o Level 4: 30% of the damage is rewarded
     o ...
     o Level 10: 75% of the damage is rewarded
  * Stealth
     o Description: Decreases the player's visibility.
     o Level 1: 84% Visibility (255 Alpha -40)
     o Level 2: 67% Visibility (255 Alpha -80)
     o ...
     o Level 5: 21% Visibility (255 Alpha -200)
  * LongJump
     o Description: Increases the player's jump distance (not height).
     o Level 1: Jump is increased 20%
     o Level 2: Jump is increased 40%
     o ...
     o Level 5: Jump is increased 100% (double)
  * FireGrenade
     o Description: Grenades set the player's enemies on fire (as well as do regular grenade damage).
     o Level 1: Fire lasts 2 seconds
     o Level 2: Fire lasts 4 seconds
     o ...
     o Level 5: Fire lasts 10 seconds
  * IceStab
     o Description: Secondary knife attack freezes a player in place
     o Level 1: Freeze lasts 1 second
     o Level 2: Freeze lasts 2 seconds
     o Level 3: Freeze lasts 3 seconds

- Customisable Zombie models and sounds.
- Zombie sounds for hurt, death and random noises.
- zombie_health cvar, first zombie is 2x this.
- zombie_speed cvar for zombie speed.
- zombie_fov cvar for zombie Field Of View.
- zombie_knockback cvar for knockback.
- zombie_restrictions cvar to restrict weapons.
- zombie_dark cvar to allow for normal lighting during maps.
- zombie_bonus cvar to add frags for zombifying humans.
- zombie_teams cvar to use CT for Humans and T for zombies (Experimental).
- zombie_respawn cvar to respawn zombies killed by humans as a human.
- zombie_max_ammo cvar for unlimited* ammunition. (*1000 clip)
- zombie_suicide cvar to remove players ability to ?suicide?
- zombie_fog cvar to add fog to every map and sky camera as the map is loaded.
- zombie_jetpack cvar to add jetpack ability to humans or zombies or both.