Can someone explain how to get all the achievements?

Diagonal dash breaks when Phos is around

When does the game save or how can I save?

Wish there was a level select

How do I find all the spheres?

How to get these 2 achievement?

Loved the game!

(Unofficial) FIREWORK Discord Server

Game not opening

So what is the canonical ending?

Hey so what are the differences between the gamejolt and steam version?

Game's Soundtrack

Left Stick Support?

questions

Could you check the achievements