Contra - Force (CF) is a Half-Life Modification based on the Realistic Cooperative. You and your teammates will have to act together strategically to fight the enemy monsters created by the Thaigamenetwork DevTeam Players can buy weapons, items with money system like Counter-Strike. and Coop like Sven Coop. You can carry weapons one main weapon , one sub weapon , one side weapon and 3 explosive weapons.