I need some ideas for a new game because I kinda wanna make a new game, your name will be credited in the game (or maybe the games post, idk)

haz un juego de picosmash es un super smash bros pero en pico 8.
Hazlo si es que tienes la capacidad y el tiempo necesario.

Why not do a shmup? Lazydevs put a tutorial series on youtube recently :)

You can never go wrong with Nintendo, @hdfsyu.

https://youtu.be/uA-QyNcGiZ0?t=10

Here are 708 games for you to examine and get some ideas from.