This followup to our strange food series — strangest Lay’s flavors, weirdest Pizza Hut items, and Pringles flavors — explores some of Burger King’s strangest offerings ever over the past few years, and they include the Windows 7 Whopper above, which clocks in at a whopping 2120-calories. Continue reading to see more.

1. Windows 7 Whopper

To celebrate the launch of Windows 7 in Japan, Microsoft has partnered with Burger King to unveil a massive Whopper, which consists of 7 beef patties and just 2 buns, unfortunately. It was available until October 28, 2009, priced at $8.50USD.

2. Custom Burger with 1050-Slices of Bacon

Yes, Japanese website RocketNews actually purchased the 1,050-slice bacon burger you see above at a Burger King restaurant. That’s right, for just $1.24USD you can add 15-slices of bacon into your burger, so the total for this monstrosity came out to a whopping $86.85.

3. The New York Pizza Burger

At $12.99, this pizza-inspired burger comes standard with 4 Whopper patties and can be customized with mozzarella cheese, marinara sauce, pepperoni as well as Tuscan pesto sauce. Unfortunately, this monstrosity is only currently available in New York and Japan.

4. Meat Monster

Inside this massive Burger King burger, you’ll find two beef patties, a chicken breast fillet, two slices of cheese and three slices of bacon, and topped off with a nice portion of veggies. The damage? It will set you back a hefty 1,160 calories and boasts 2290mg of sodium.

5. Grill Teriyaki

What happens when you combine freshly grilled teriyaki chicken patties with vegetables, mayonnaise, and two freshly toasted buns? The “Grill Teriyaki” from Burger King of course. Unfortunately, this is a limited Asia-exclusive offering.