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OMG thanks found it! It was named Tombi! Indeed a ps1 demo :)

And while looking for my own title, I'll help you out! I think you mean Nintendo World Cup (GB). Although this is a gameboy game, it matches your description exactly.

This night I had a dream. It was a dream about a game I used to play when I was a kid and I kind of forgot about it. Now when I am thinking about it I try to remember what the name was or even some...