inspiration(s) / imagination(s) / _ / .

• vision of the game -- summary, game goals, mood/theme
• primary & secondary features -- environments, mechanics, interactions
• game mechanics -- traversal, camera control & movements
• combat -- style & delivery, targeting, charge-ups, defense, combo(s)
• player challenges -- enemies, strength & weakness, attacks, AI & NPC(s)
• environmental designs & interaction -- terrain, interaction, danger, scope
• characters -- attributes, locations, destination(s)
• level design -- layout, maps & hotspots, puzzle(s)

GDD: chapter