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.
General Kwai's monster. Guan Yu dominates the battlefield as it's able to fire at both ground units and aircraft.
"Guan Yu" is also known as "Shaitan" from previous Contra versions.
You can compare it with the old Shaitan: Media.moddb.com
Some improvements have been made. Look here:
Model and skin by Creator