Co-Op specific versions of single player maps as well as co-op specific maps are available.
As of version 0.7
* New maps: Clone Crisis, Underground Factory
* Updated older maps where possible
* Fixed the support of SP maps on retail clients
* We now have a working Flamethrower
* Throwing Knifes! (you get them with every loadout) (use "Next Grenade" key to select)
* A new "secret" weapon: the Shotty Pistol(s) (available in Docks Coop)
* You can now carry 5 weapons by default
* You can place up to 10 (instead of 5) remotes and proxies now
* Two new special loadouts: "Nade Whore" and "Ninja"
* Dynamic difficulty based on the number of players
* Max Armor is now at 150
* Certain enemies now drop pickups when they die (not sure about the medkits though)
(PowerArmor: Medkit, HeavyArmor: Light Armor, Assassin: Health Injector)
* Added the ability to buy weapons with your score
(has to be included in map design, a few maps support it)
* Gore: Gibbing reduced, but severing will occure more often
* CountPlayers command to get number of Players on a server
Can be used for a wide variety of dynamic events
* CustomDifficulty command for turning dynamic difficulty off in own maps
Can be used if a mapper wants to implement own difficulty adjustment methods.
* BuyWeapon command: To be used in weapon vendors
* Additional arithmetic operators: mult, div, and mod
* BoostHitPoints command for AI. Changes AI's Health to a specified percentage.