Some critical bugs have been fixed for 1.0.1 Fixed a crash at start up if the installation path has non-ASCII characters. Fixed a crash if audio failed and a disc block is presented. Fixed a crash when saving if there are a lot of

Abyssal that this game never got a level editor. It's been so long, so I can't really hope for one to be added. Sad.

游戏本身是很好玩的，就是知名度不高，我认为可以开放创意工坊，让玩家自由设计关卡，这样玩家群体的活力就会大大增加 The game itself is very fun, but it is not well-known, and I think it is possible to open up the Workshop and let players design the levels freely, so that the vitality of the player base will be greatly increased...

I can not find how to do this the help button says to mark, but does not say how to do so ....

Considering how often this is used it really should have an option for toggle rather than holding.