it's still the same guy my guy. I know you likely made it again byc scratch which is a lot of work. You can't claim it's completely new though when it's not. You've reused literally all the same art assets. The game is still 95% the same minus the additions. The additions would have been an update. You can convince yourself it's a remake/reboot as much as you want. It's an update that you remade.
I'm a 3d artist. If someone wanted to pay me £100 for a 3D model but I redid it 3 times. I'm not going to charge them £300. I'm going to charge them for the final product. You can fool who you want but as a developer the steam release is an update.