Both are devine but my heart is with Zero Mission. I need it on 3DS!

Fusion: 9.5

Zero Mission: 8.5

I much preferred Zero Mission to Fusion. However if you're only going to play one, I'd have to recommend Super Metroid instead.

I prefer Fusion. But I'd encourage you to play both, beginning by Zero mission.

Finally the best way to play GB advance games is with the DS lite which has a much better screen than either game boy advance or the Phat DS.

I preferred Fusion.

Zero Mission is a better "Metroid/Super Metroid" game. But Fusion is a better game.

I like both games, but I think Zero Mission is just slightly better than Fusion.

Fusion is the better game imo.

My vote goes for Fusion. I do like Zero Mission a lot, but Fusion is just so much better imo. The story and the atmosphere are amazing.

Fusion holds up as my favourite Metroid game. I had an absolute blast playing it.

tough, but zero mission is my favorite metroid to date. followed by prime.