更改

It's been a long time since the release of Ballance, and its original 12+1 levels cannot satisfy the interest of its gamers, so custom maps appeared. Custom maps are built based on knowing the manufactoring principle of Ballance. This episode is aimed at listing all the custom maps that has been created so far. If you want to know how to make a custom mapap, please see [[Mapping|Mapping page]]. And about the history of custom maps, please also see the history part of Mapping page. The history of custom maps is roughly recorded there.

Professional speedrunnings are two series of levels made by Burning红云 from [[Chinese Ballance Forum]], which are aimed at 比试Ballance的技巧，练习Ballance手感。相较于独立自制地图，虽然这个地图集的地图也是自制的，但是它们都很短小精悍，每张图仅仅只有一个小节。专业竞速非常适合用于针对某一种竞速技术进行训练，也比较适合用于比较玩家之间的技术差异。competiting skills in playing Ballance and exercising. Compared to independent levels, 虽然这个地图集的地图也是自制的，但是它们都很短小精悍，每张图仅仅只有一个小节。专业竞速非常适合用于针对某一种竞速技术进行训练，也比较适合用于比较玩家之间的技术差异。

Modified levels, or modified maps, are created from existing [[default levels]] and [[custom levels]]. 修改方法包括但不仅限于：反向，线框化，45°化，弱智化。这些地图中有些修改并没有明确的意义，可能仅仅是满足改图者自身的喜好或娱乐。These include reversed levels, grid-floor levels, 45° levels, and easy levels. Some may be meaningless, just for the desire of the mapper and/or entertainment.

改图的技术要求远远小于制作一张独立自制地图，因此它不仅成为了新晋制图师所偏好的练手物，而且也是Ballance自制地图的起源。Ballance的自制地图最早起源于jxpxxzj制作的一张反向 Skill needed for modifying a level is far lower than creating a custom level, thus not only has modifying levels become a preferred way to exercise by new mappers, but also, it gave rise to custom levels. Ballance的自制地图最早起源于jxpxxzj制作的一张反向 Level 1，此后在各个玩家的不停地探索之下，探索出各种技术后，才逐渐从改地图走向制作新地图。