The easiest way to find an underserved niche is to find a beloved series that died, or has been on life support for 10+ years with devs that just continuously drop the ball and can't recreate the magic.
See: Stardew Valley, Cities Skylines, etc.
I'm very keen to see how Ready or Not does, when it releases. Everyone I know who played SWAT 4 back in the day loves it, and there hasn't been a comparable game since.
To throw out an example of an "available" niche: I think the first dev to bring out a modern version of Need For Speed: Underground, with decent car physics (similar to something like Grid: Autosport), is going to strike an absolute gold mine. NFS was literally all anybody at school talked about for years and years when U1, U2 and MW were coming out. Every game since has been complete rubbish, the new ones have physics so bad it feels like you're just gliding around on a magic carpet with a car body attached to it.
See: Stardew Valley, Cities Skylines, etc.
I'm very keen to see how Ready or Not does, when it releases. Everyone I know who played SWAT 4 back in the day loves it, and there hasn't been a comparable game since.
To throw out an example of an "available" niche: I think the first dev to bring out a modern version of Need For Speed: Underground, with decent car physics (similar to something like Grid: Autosport), is going to strike an absolute gold mine. NFS was literally all anybody at school talked about for years and years when U1, U2 and MW were coming out. Every game since has been complete rubbish, the new ones have physics so bad it feels like you're just gliding around on a magic carpet with a car body attached to it.