The first three comrades are found in the first three eras:

• The Primitive Age, where the enemies are cavemen and dinosaurs
• The Age Of Rome, where the enemies are Roman soldiers and legionaries
• The World Wars, that contains modern army soldiers, weapons and vehicles

• The Age Of War, where the enemies are ninjas and samurais
• Future World, where the enemies are robots and high-tech machines.

The game offers unlimited continues on all levels except for the final.