If you are looking to scratch the itch for a dark, action-oriented Alice game, there are safe and official alternatives that provide a similar experience:
If you specifically want to play a Mugen fighting game, there are thousands of other high-quality anime and video game characters available on reputable sites like Mugen Archive or Mugen Guild . You can download the Mugen engine itself (it is freeware) and build your own roster. alice in the nightmare land download