I think it's a great game, but the linearity kinda sucks.
For what the game intended to do, it did absolutely great. It pulled off an excellent atmosphere and the story is actually interesting. It was just a lot different from any previous Metroid game, is all.
EDIT: to clarify, I'm talking about Fusion, since that just got asked about. f*** Other M it did nothing right
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[NO BARKLEY NO PEACE]
If you can't slam with the best, then jam with the rest.