tepples wrote:
I think Mega Man doesn't have 2-player mode because Rock already takes four sprites, half the NES's horizontal coverage, in those scanlines containing his face.
They still didn't add 2-player mode when the series switched to the SNES, though. Also, sprite limitations didn't prevent Astyanax from being made... IIRC, when Astyanax attacks with his axe, he uses 7 or 8 sprites in some scanlines.
Good level layout (that encouraged players to take different routes) and enemy placement (so they wouldn't constantly be on the same level as the players) could possibly allow 2-player Mega Man on the NES, I think, specially if the second player didn't have a separate face sprite.