Nintendo NES Classic

The NES Classic Edition is a miniature recreation of the original NES, complete with HDMI outputs and comes with 30 built in games:

Balloon Fight, Bubble Bobble, Castlevania, Castlevania II: Simon's Quest, Donkey Kong, Donkey Kong Jr., Double Dragon II: The Revenge, Dr. Mario, Excitebike, Final Fantasy, Galaga, Ghosts' N Ghoblins, Gradius, Ice Climber, Kid Icarus, Kirby's Adventure, Mario Bros., Mega Man 2, Metroid, Ninja Gaiden, Pac-Man, Punch-Out!! Featuring Mr. Dream, StarTropics, SUPER C, Super Mario Bros., Super Mario Bros. 2, Super Mario Bros. 3, Tecmo Bowl, The Legend of Zelda, Zelda II: The Adventure of Link