There are 4 repositories under nes-game topic.
Falling - A game for the NES
An infinite runner NES game!
An NES Platformer Written In Millfork
Breakout meets Inception on the NES
RoboRun-NES is platform NES game created in C for homebrew project.
simple famicom/NES game
BattleCity game build by javascript
NES game programmed in 6502 Assembly
Simple game for the NES (W.I.P)
A Simple NES Workspace in C