Those are simple concept diagrams to explain gameplay ideas for implementation and in documentation. Made in Photoshop in a little bit less than an hour (counting thinking about what to draw) without any sketch on paper.
Brainstorming gameplay mechanics ideas using simple diagrams again but in a simpler fashion, exploring navigation mechanics and combat mechanics. The goal here is to eliminate redundant mechanics and choose the interesting ones. - Made in Photoshop in approximately 6 hours, counting brainstorming and listing ideas beforehand.
