The best replacement for stepmania is ffr.

The best alternatives to stepmania are rated as following:
★★★★★  ffr
★★★  openitg

Your alternative for stepmania is not listed? Suggest!
Speaking about stepmania, one probably shouldn't forget about dance pad.

Other search terms related to stepmania and their ratings are:
★★★★★ dance pad
You have in mind a companion for stepmania and it is not yet here? Propose!



Google Trends

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stepmania
ffr
openitg