Space to proceed. For Making Dialog: Use | to start the next line Use @<font>.<color>.<brightness>@ to change text mid dialog Use Comas in sound to use more than one.
Not an Undertale text engine. I just had the sprites sitting around and used them. It's weird because usually I only do Undertale stuff so an original thing is new. I did style it to Undertale after I finished it though because why not. Boredom is the best motivator.