Each level progresses defeating opponents who are increasingly strong, armor, strategies and weapons, they have their own strategy for approach to you, you must make your own, you must be very careful of ambushes.
Each level is very different from the previous level terrain, opponent and approximation strategies. The primary mission in each level is to defeat all your opponents, to move to the next level. The end of the game with different tanks, opponents and adversaries, will be very exciting and addictive.
You come back to play again with new strategies of approximation, as the opponent, also will use new strategies to get you.