In Code of Honor: The French Foreign Legion the player takes the role of Claude Boulet who is a member of the French Foreign Legion. Terrorists started a revolution in Côte d‘Ivoire and stole radioactive waste to build bombs. The player's mission is to eliminate this threat.
Similar to the Call of Duty series focuses on eight short and linear missions with scripted events. The goals are varied, e.g. liberating a city, searching and destroying planes, defending an important position or a rail shooter segment on the back of a vehicle. Sometimes the player gets support from air strikes or another soldier but he mostly works alone. The game uses the typical shooter controls and the energy bar health system.