Creating a game in a 1st Person Perspective

I'm looking to create a game with similar perspective and gameplay to Space Harrier

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I really have no idea where to start with something like this. I've have come across a plugin link that was used to created an Out Run prototype but that's about it. No clue as to what the setup is since I've yet to work with this perspective. Any help would be appreciated.

The ground looks like a Mode7 implementation.

The character is mostly just static with animations.

The obstacles spawn in the middle, and move to the sides and grow at the same time to give the illusion of perspective.

Use a flag to see if the obstacles can collide, probably based on after they reach a certain size.