Welcome to the land of chaos Gimkit Creative Forums, Axolotl_King246! So, you want ideas on how the game will look like?
These may also help
What Game should I make? How about one of these: (@JoeTheChicken's Map & Theme Ideas)
For ideas
8️⃣ Common mistakes that can make your platformer map less enjoyable. (And how to fix them)
So you don’t accidently make your map less enjoyable