WebKit

NO! YOU WERE SUPPOSED TO OBEY ME!
The 6 cube souls:

Erm, actually, the order should be cyan, orange, blue, purple, green and yellow 🤓👆

NO! YOUR SUPPOSED TO OBEY ME! 
the 6 cubes:

Reminds me of a different Undertale ending game (totally not my Undertale ending game)

card-UBum

An Endingkit, Undertale, Reference game by @creepee, playable free in your browser on Castle.