Tough, some of those pictures could be tweaked a bit.
And some take a certain understanding of what the symbol is.
But overall great job, it was a fun challenge.
2:41:07 WoW, these games are challenging and awesome, definitely a five out of five. Can't wait until a third comes out! 23 is of course the hardest level, haha.
 "SHIFT 3"){kind=icon}
 "Z-Rox"){kind=icon}
 "3D Logic 2: Stronghold of Sage"){kind=icon}