I’m not a lawyer so please don’t take this as legal advice. Here’s a useful tip that I have learned over the years of self-studying copyright.
Make sure to ask yourself those questions:
- Is it a popular concept?
- Was this made before?
- How much from the original I’m taking?
- Did I research enough to make sure I’m not infringing on someone else’s copyright?
While it doesn’t seem to infringe on Fall Guys’ IP, you’re threading into other territory and should make sure that a game you never heard of doesn’t strike you.
Remember that development isn’t only creating - it’s also making sure you create something original.