Your first playthrough of StarFox Zero should take you about 3h to 3h30 to complete & more

[ironmanDX]

Mar1217 said:

- Seems there's no way ( for now at least ) to unlock the black airwing and retro mode with playing the game itself,  so you'll need Fox and Falco amiibo :P

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Length, for the game is fine. Graphics look decent. Gameplay looks great but the amiibos functionality is absolutely rubbish. No modes should be locked behind them.