Heat the oven to 350 degrees.
Crush the Ritz crackers into crumbs.
Combine the BBQ sauce and ketchup in a bowl, and stir until well blended.
Add the ground beef to a mixing bowl with the cracker crumbs, half of the BBQ and ketchup mixture, the onion soup mix, and eggs. Knead with your hands to combine well.
Layer the meat mixture into the bottom of a well-greased 9x13 baking dish.
Brush the remaining BBQ and ketchup mixture over the top of the meat.
Spread the tater tots over the meat mixture.
Sprinkle with cheese.
