Knightmare, known in Japan as Majou Densetsu, is a 1986 MSX vertical scrolling shooter computer game. The player is a knight, Popolon, who has to fight his way through several levels to defeat Hudnos and rescue Aphrodite. [Text from Wikipedia] Read more about KnightmareDS v0.3 (Alpha) (NDS Lua Game)
POWDER is a roguelike game, which is not a port of an existing roguelike. It is built around replayability and long term ergonomics, not short term learning. Author of this piece of software is Jeff Lait. Read more about Powder (Build 114) (NDS Game)