OMG are u sure? MSR is one of the best DC games... Its the pre - Project Gotham racing from later Xbox, M$ Bill gates actual favourite game
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Try Sega GT too, I love that game.
And when someone could make Test Drive Le mans 24 hours to run perfect visually and performance wise I think the emulator is fully done
Its probably the most high visual quality impressive DC game, at least I loved it so much, never liked the more HD shinny PC version neither the PS2 version, but DC version I just went nuts with that game and I'm not even a fan of 24h Le mans and never played any other game of that kind more recent, but the one on DC was such a huge masterpiece.
Also liked a lot Virtua tennis, a friend of mine wasted so much money in that game insert coin lol... When I told him I actually had the game on a thing called Dreamcast lol he went nuts no need to insert coin