This mod unrestricts the "Turns" option on the Smash Tour map selection screen such that you can pick any number in the range -128 to 127 (inclusive), compared to the range in the vanilla game of 15 to 25. This allows you to play much shorter or longer games of Smash Tour.
There are a few things to note:
A turn amount higher than 50 will cause the "Remaining Turns" counter during the game to display a completely incorrect number. This is only visual and it will start working properly once the amount of remaining turns has dropped below 51.
A turn amount of 0 functions similarly to a turn amount of 1, except that it will cause various glitches during the game, such as breaking most of the player UI and having any battle triggered override the final battle with a combination of their rules.
A negative turn amount functions very similarly to a turn amount of 0, with most of the same glitchiness.
This is really cool and something I've been wanting for a long time! Thanks a ton. As always, I truly appreciate your work. I'll have to try it out soon, but because I trust you, I'll leave a rating now.