Unlock Weapons:
Black Swallow - Kill Death Serpent behind the beginning of Stage 23
Butterfly Staff - Destroy some plants in Stage 10 close to the beginning and go into the hidden hallway
Dragon Point - Kill 30 enemies in Stage 7
Dragon Staff - Finish Stage 5 with a time of 3:20 or better
Golden Dragon - Look in the narrow passage in the beginning of Stage 20
Holy Staff - Beat Stage 15 with a time of 2:47 or better
Jaws of Mountain - Take the narrow path to your rihgt in Stage 11 and go over the bridge
Moonlight Sword - Free all souls in the first 28 stages
Ogre's Horn - Defeat the Blaze Ogre in Stage 18
Orchid Malevolence - Kill the Hydra in Stage 25
Punisher - Look at the base of the hill in Stage 6
Rune Scimitars - Pull off a 20-hit combo in Stage 3
Skylarks - Beat Stage 14 in under 2 mins.
Staff of Duality - Look inside a tree stump in Stage 24
Sword of Voracity - Kill 60 enemies in Stage 26
Thunder - Look under the bridge between the middle island and the statue in Stage 22
Training Sword - Pull off a 400-hit combo in Stage 11
Unlock 2nd Play:
Beat the game once to unlock the 2nd Play option. You can play the game again with all weapons and items carried over from your last game. You also gain the ability to destroy strong object with a B attack and your stats increase.
Magic Opposites:
Magic that opposes one another do double damage and magic from the same house does half damage.
Byakko (Chimera) opposes Soryu (Dragon)
Genbu (Butterfly) opposes Suzaku (Phoenix)
