3^4
From Superliminal Wiki
Roice's Method
This method is the 4D version of the "ultimate solution for the rubik's cube's.
check it out here:[1]
Ray's method
This method is the 4D version of F2L, and if you know how to improve the last layer then e-mail me with suggestions.
You should know how to do Roice method before doing this.
Summary
1. cross (on hidden cell)
2. f2l (2C/3C pairs)
3. s2l (3C/4C pairs)
4. foll
5. eoll
6. npll
7. coll
8. cpll