Preheat your oven to 350°F (175°C).
In a skillet over medium heat, brown the ground beef for about 5-7 minutes, breaking it apart as it cooks. Drain any excess fat.
In the skillet, combine the beef mixture with cream of mushroom soup, milk, garlic powder, onion powder, salt, and pepper until well mixed and creamy.
Layer the beef mixture in a greased baking dish, then add the drained corn on top, followed by the shredded cheese.
Arrange the frozen tater tots on top, ensuring they cover the entire dish.
Bake in the preheated oven for 30-35 minutes, or until the tater tots are golden brown.
Allow to cool for a few minutes before serving.