We’ve all heard the saying about being so familiar with something that you could do it blindfolded, or in your sleep or you know something like the back of your hand. For diehard gamers, those same phrases would probably hold true regarding their favorite game(s).

To put that theory to the test, Giant Bomb recently took a trip to Six Flags Discovery Kingdom to face off in a Super Mario Bros. 3 competition. The duo strapped Nintendo’s 3DS handheld firmly to their wrists (literally) and set about to see who could progress the furthest in the game while riding the Medusa roller coaster.

Both agreed that they wouldn’t use warp whistles and could only play while the coaster was moving. They could get off the ride to take a break but weren’t able to play during that time.

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