I read your post on the other forum but never got around to replying.
I haven't run across any tracks that I needed unlimiter for yet, but I'm only about 750 tracks in.
I do know there are tracks that build outside the normal building area, and for those... you do need to be playing with unlimiter. An example is one of Nimrod's recent tracks where you start really high in the sky and drive vertically down some wallrides all the way to the ground. That track builds far above the normal building space so it requires unlimiter when playing it.
I would hope most authors mark their track in the author comments saying that the track needs unlimiter in order to be played. But some probably don't.
There is some options coming soon on MX which will allow us to mark tracks that require unlimiter to be loaded in order to play the track.
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About the project to play all tracks though. It's probably too ambitious and I'll probably never complete it. But the idea to play page after page of tracks is what motivates me. It's the unknown around every turn. You never know what the next track will bring. And I find that so exciting.
I find myself too busy with other things around TM and outside of TM and sometimes a week or more goes by without getting to continue on the project. But I definitely enjoy it when I do sit down for some hours to play through a group of tracks. I will keep going on this, and I'm gratified to see others still going at it too.
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Regarding the videos on the ManiaExchangeTracks YouTube account which I mentioned in the OP post. That account has went from being a place where I posted every single track I drove to a place where Nimrod (aka Paddy), Chuckie, and myself post videos of random tracks we drive. I generally won't post a video there anymore unless its a track I've awarded. The videos take some time to do and I just don't have time to do videos of every single track.
Thanks to those guys for helping out!
I might be interested in more video uploaders in the future. If you're interested you could PM me. I can't promise I'll give you access to post, but I might consider it.