Hello everyone, nice to welcome you on our site, this page even has Level 13 answers. I enjoy it =D
Level 13 - ORYIOGLV
The answer to this puzzle is:
Words: GORILY, GROOVY, LOGOI, OLOGY, ROILY, IGLOO, GIRLY, OVOLI, ROIL, ORGY, GYRI, VIOL, LOGY, GORY, OILY, GIRO, YOGI, OLIO, RIG, GOY
Bonus words:
GORILY, GROOVY, LOGOI, OLOGY, ROILY, IGLOO, GIRLY, OVOLI, ROIL, ORGY, GYRI, VIOL, LOGY, GORY, OILY, GIRO, YOGI, OLIO, RIG, GOY