Axe - Talk to Bianca, the girl in the right mansion in the third part of the town, after the second day to get the Axe.

Easy level up for items - Take the item you want to level and go to the seashell on the beach. Trade it with a friend. It should have grown a level. Trade back and forth and you can easily get high level items.

Fishing Rod - Turn right at the first part of the town, go down the stairs, then run to the end of the port and Sara will give you the Fishing Rod.

Hammer - After you have plowed the 50th soil, talk to Leo, the Blacksmith in the second store of the right in the first part of the town, to get the Hammer.

Japanese mode - Hold R and press A during the introduction sequence. The game's title will be spoken in Japanese to confirm correct code entry. All voice acting will now be in Japanese.

Scythe - Talk to Rosetta, the girl in the store with a sprout, after you have plowed enough soil in the farm to get the Scythe.

Sickle - Increase your hoe to level 2 to get a Sickle from Rosetta.

Unlock :-

Carmite Cave - Till 100 squares on your farm.
Clemens Cave - Till 100 squares in the Toros Cave and defeat the Chimera.

Dannan Cave - Defeat the Golum in the Kasmir Ruins.

Greed Cave - Defeat the Battle Tank in the Dannan Cave.

Kasmir Ruins Till - 100 squares in the Misty Bloom Cave and defeat the Siren.

Misty Bloom Cave - Till 100 squares in Mt. Gigant and defeat the Dragon.
Mt. Gigant - Rescue Cecilia in Clemens cave and defeat the Rafflesia(the Plant).

Toros Cave - Till 50 squares in the Carmite Cave and defeat the Greater Daemon.