Hm...I've never seen that demo before.
Panic Bomber is pretty kick-ass, IMO. Its on PC Engine, Super Famicom, Neo Geo, Virtual Boy, and its also on Bomberman Land 2 (GC, and PS2). It may be elsewhere, don't know. Those are just the versions I've played. The PC Engine one is the only five player version. I'd say the best one to get would probably be PC Engine since its 5 player, but Bomberman Land 2 for Cube is freaking awesome. Panic Bomber is just a fraction of the whole Bomberman Land 2 picture. That little disc is jam packed with Bomberman.