the cheat for Warlords Call To Arms is press c then write skippy at the cheat code spot then dont press enter just go back to the main menu and chose a character and while you're playing with a character press h to beet that game. you can skip everything to unlock Demons with spearmaster.
 "Warlords: Call to Arms"){kind=icon}
 "Warlords: Heroes"){kind=icon}
 "Kongai"){kind=icon}
 "Bloons Tower Defense 2"){kind=icon}