Does Legion Arena work with Mac OS 10.6 and Mac mini?

Process:         ApplicationI1 [293]
Path:            /Applications/Legion Arena/Legion Arena.app/Contents/MacOS/Legion Arena
Identifier:      com.freeverse.LegionArena
Version:         Legion Arena Mac 1.1.1 (1.1.1)
Code Type:       X86 (Native)
Parent Process:  launchd [99]

Date/Time:       2011-07-03 20:57:04.189 -1000
OS Version:      Mac OS X 10.6.8 (10K540)
Report Version:  6

(and more stuff ....)

What is happening?  Is it Mac OS X v. 10.6 that is causing the problem?  Or is it my Mac mini (2010 model, 2.4 GHz, 4 GB RAM, 256 MB NVIDIA GeForce 320M) video,