It depicts the Russian army annihilating their French opponents and blasting Napoleon himself back to France.
After adding numerous countries to his empire as result of winning battles, he then sets sights on Russia.
The local militia immediately notices his approach, and therefore start hurling round bombs, prompting Napoleon's battalion to enter a bunker.
Upon being bested in battle and blown away by the enemy's explosive, Napoleon finds himself landing in a boat in a harbor back in France.
The famous defeat of the real life Napoleon took place in a region called Waterloo which is in Belgium.