Metroid Homage Password

Password screen is found under 'Continue'.

 

 

 

 

Kid Icarus Homage Password

Start partially through the game with only Shaedu:

 

ICARUS FIGHTS MEDUSA ANGELS

 

 

 

Free upgrades

On any map with a shop, especially if that shop is near the entrance, purchase one or more upgrades for one or more of your three summons. Then, press the Start button and select "Restart Level". Your Gold will be replenished but your summons will retain their upgrades.