[runya]

mugen have 2 style kanji.

１：”無限” means infinity.
２："夢幻" means dream and phantom
　　"夢" means dream.
　　"幻" means phantom.
　　In some cases, "夢幻" means fragile/vain/fleeting/transient/empty dream

and

all pictures are "無限".
they are just written in a different style.