dsHeretic: Another homebrew game for the DS
By Nintendude under Homebrew, Nintendo DS

Making your own games for the Nintendo DS isn´t easy, however, there are a lot of interesting projects around. dsHeretic is one of these projects, basically, quoting it´s developer´s words, dsHeretic is “a source port of the classic Raven game Heretic to the Nintendo DS”.
Heretic is a First Person Shooter based on the Doom engine, the original version was released on 1994.
You can visit the official project site but don´t expect any downloads yet.
Via | LiveJournal