Streemerz is a hell of a professional free homebrew game, by Faux Game Company. Infiltrate the evil MASTER Y's floating fortress to destroy the TIGER ARMY's top secret weapon. Read more about Streemerz (01-02-2013) (NES Game)
Dรบshlรกn by Peter McQuillan is based on the classic Tetris, but with a few twists on the game and some extra features that are not commonly available like ghost (where you can see where your piece would go if you dropped it) and save (where you can swap a piece in play for later usage). Read more about Dushlan (13-09-2016) (NES Game)
Spacy Shooty 2016 is a game by dougeff, which is a rewritten example game from his blog. It's almost a full game now...you can play through it in 5-10 min. The source code is available as well. Read more about Spacy Shooty 2016 (06-09-2016) (NES Game)
Dragon Leap is an older NES homebrew game by 64KB Games, which totally slipped under our radar, but better late than never? If you are into platform/puzzle games, this might be a pretty nice game to check. Read more about Dragon Leap (Web-Release) (NES Game)