How many hours of gameplay in Super Mario Galaxy?
Main story for Super Mario Galaxy? Usually takes about 15-20 hours. Want all the stars? Add 10-15 more!
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You can expect around 15-20 hours for the main story, but if you're a completionist, it could take you up to 30-35 hours!
If you're just cruising through, 15 hours. Going for 100%? Plan for 30-35 hours.
Played it myself – spent a solid 25 hours getting every last star. Worth every second.
15-20 hours.
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