Graphics:

Bigtop tileset - PandaMaru from an RPG Maker resource pack
Door tileset - RPG Maker VX Ace
Numbered tileset ([0-9]+-[a-z]+) : RPG Maker XP
Sprites : RPG Maker XP / VX Ace
Flame effect : RPG Maker VX Ace


Sound Effects:

Fountain : Roscoe Toon (via Freesound.org)
Fire : RPG Maker VX Ace
Calliope : RTB45 via FreeSound.org