Lots of hints

Lots of hints

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Golden Capsule Reward
After you've collected all 25 Golden Capsules, return to Dr. Briefs in the Capsule Corporation Laboratory.

In exchange for returning them, he'll let you keep one?yeah, I know, it's kind of a bum deal.

At least the one that you keep allows you to teleport back to the world map from anywhere except inside buildings and caves. Just select it from the Items menu to use it.

New Namek:
Once you've found all 7 of the Missing Nameks, return to the ship near the Capsule Corporation and speak with the scientist.

He'll ask you to accompany the refugees home to New Namek! Hop in the ship and you'll be taken to this bizarre world. The first thing you want to do is speak to the Namek in front of the ship.

In gratitude, he'll give you the key to Grandpa Goku's house. You know, the one right next to Goku's house that you've never been able to open.

When you return to Earth check here to grab +5 Power, Strength and Endurance Capsules.

Next, head into the cave at the north end of the settlement. Here you'll meet up with Cooler. Remember him?

Well, he still holds a grudge against you, so you're going to have to fight him. Other than his rather large amount of life, this battle isn't particularly noteworthy.

He doesn't seem to have any projectile attacks whatsoever, so don't be shy about putting distance between him and you if you need to go Super Saiyan.

Other than that, just beat him up like you beat everybody else up in the game.

Once he's dead, collect the +5 Power Capsule that he drops and head through the door to the north. Here we have a level 50 Piccolo Door.

Assuming that he's appropriately leveled up, enter to find the Piccolo Statue.

Hint: Get Fish Easily
Go to the tropical islands and kill the bad guys near the water or kill the kuma bears in the west city to get fish easily.

With three fish, you can get a senzu bean from Korin.
Hint: Play Hercule
To play as Hercule the muscle bound false martial artist collect all the 4 statues with Gohan, Trunks, Vegeta, and Piccolo.

Note that when Hercule levels up, he tends to get stats like 0 Endurance but once you get him to level 50 bring him to the ZZTV Station in West City for a nice suprise.