You finished The Cave Of Ordeals? (You Recieve Great Fairy Tears)
All 4 Jars?
Biggest wallet? (1,000 rupees)
Bigest Quiver? (Holds 100)
Doubled your bomb bag size ? (Get 25 in Iza's Rapid Ride Game)
Found all the heart parts?
All the gold Bugs?
Those are most of the side stuff... Dunno if you have done that or not..
Fishing is also a good side thing to do, lots of diffrent fish to get with diffrent lures.
Got all 5 Lures? :P
Just throwing some things at you Here...
I could'nt say i completed the game till i done all this. - Not just the main story.