Lemmings DS is an open-source port of the classic Amiga action-puzzle game Lemmings for the Nintendo DS.

It features:
* All 120 levels from the original Amiga Lemmings
* All 100 levels from Oh-No! More Lemmings
* All 72 levels from Xmas Lemmings ’91, ’92, ’93 and ’94!

http://www.mrdictionary.net/lemmings/