Check out this wonderful medley of classic video game songs by Chad Neidt — he mashes up over 12 different songs/games flawlessly.
Ah, young love. Check out this adorable mash-up by Nerdist of the ridiculously catchy ‘Royals’ by Lorde and Zelda — not only is the result charming, but it’s also chock full of references to the Nintendo franchise.
HaloCraft II: Arrays of Liberty is not a real video game. But the fantasy mash-up of Halo and StarCraft II does have a trailer.