The newest entry in the Budokai Tenkaichi series, offering the high-fidelity destruction fans originally hoped for in a Burst Limit sequel.
Some popular torrent sites (not necessarily recommended) where you might find the game include:
If "Burst Limit 2" specifically is hard to find, you might consider other "Dragon Ball Z" games that are available on PC. There are numerous titles in the series that offer similar gameplay experiences.