We're Going on a Quest!

So, update!

The main script engine for the quest has been written and testing is now underway!
What this means: I will probably be releasing a "proof of concept" demo in the next week or two.
Other stuff: Here's a list of the side quests which you can undertake during the game!

Rescue Lulu- Gather 4 Indi-go-gos from across Termina.
Go to northeast Termina shore. Defeat the boss.
Obtain Captain's Hat. Unlocks Onox fight.
The Unhappy Couple- Speak to the wife in the cave in Southwest Termina.
Speak to her husband in Moruge Swamp. Speak to the wife again. Reward- Couple's Mask.
The Loyal Postman- Speak to the man in a tree house in Moruge Swamp.
Defeat 8 Great Beasts. Speak to a man south of Nabooru.
Cross the west gap as Link. Defeat a boss for the Postman's Hat.
Return to the man in Moruge Swamp. Receive 50 Rupees.
The Walrus and the Fairy- Speak to a Walrus south of Clock Town.
Speak to a Fairy in Southwest Termina. Receive Don Gero's Mask.
To Tell the Truth- Speak to a soldier in the Tantari Desert.
Complete any 8 sidequests. Obtain the Mask of Truth.
The Masked Batter- Speak to the bat in a whirlpool in Southwest Termina.
Obtain half of all masks. Get Half Magic.
The Froggy Concerto- Speak to the Conductor in Nabooru Town.
Obtain the Don Gero's Mask. Speak to 4 frogs around Termina.
Receive 200 Rupees. Unlocks Veran fight.
All the Rage- Speak to a father in Mido Town.
Buy a Kafei's Mask for 200 rupees. Deliver it to get a Ring Box.
The Cowardly Guard- Speak to a guard in Mido Town.
Defeat 4 Great Beasts. Unlocks Nightmare battle.
The Lost Captain- Speak to the sailor in Mido Town.
Speak to the Captain in a whirlpool in southwest Termina.
Return to Mido Town and speak with the sailor again. Unlocks travel to east Termina.
A Terrible Fate- Speak to the Mask Salesman in Clock Town.
Obtain all masks. Get Crystalline Flame.
The Dancing Subrosian- Speak to a Subrosian in a house in Mido Town.
Recruit 4 Dancing Gorons around Termina.
Deliver the Kamaro's Mask. Receive 100 rupees.
Unlocks Vaati fight.
Stuck in My Head- Speak to Guru-Guru in Mido Town.
Defeat the Nightmare. Obtain Bremen's Mask.
The Unfinished Bridge- Talk to man south of Nabooru.
Defeat Onox. Unlocks fight to the west.
The Kidnapped Villagers- Speak to a man in New Kasuto.
Defeat Vaati. Get Garo's Mask.
Restoring the Fountain- Speak to a guard in Rauru Town.
Defeat Veran. Reward: Majora's Mask.