Contra is a freeware modification for Command and Conquer Generals: Zero Hour real-time strategy game. It's a big project started in 2004. It adds many new units as well as numerous new upgrades, new general's powers and buildings. It also adds new sounds, maps, bug fixes, enhanced graphics, and other effects, as well as three new generals. There are lots of people playing in multiplayer.
The new hero abilities affect the heroes of all generals.
Burton - can swim, and attack in water. With our own animations, Burton can now pass any obstacle in any map. Come across water and plant explosives on important enemy structures.
Terminator - due to his mechanical body, he can't swim, but he can now avoid being crushed by tanks, also, he can crush infantry as well as some obstacles. His size is visually increased too.
Lotus - is able to create holographic image of herself. This hologram is controllable by the player, can distract enemy defenses and units. Giving Lotus ability to escape, or provide diversion. Hologram has life time, and great armor.
Jarmen Kell - can create sandstorm, which covers him and nearby units. Enemies cannot see units, it is great for attacking or escaping. Enemy units also fire automatically at the storm, so your units can escape very easily. On snow maps, sandstorm is displayed as a snow mist.