Ferr getting a higher score than anyone else on his 3rd song during the Karaoke Revolution Party LP.
Maxwell wins a Quicktime Event battle with Krauser in Resident Evil 4...without looking at the screen. He just shakes the Wiimote and presses the buttons constantly while leaving to get a glass of water, and he beats the cutscene flawlessly.
Flying. Tank. That is all.
Defeating the final boss on Prototype at the very last second.
Maxwell's flawless defeat of the Iron Knuckle in the Fire Temple in Ocarina of Time: Master of Quest should count as well.