Hello everyone, nice to welcome you on our site, this page even has Level 13 answers. I enjoy it =D
Level 13 - GKINSSI
The answer to this puzzle is:
Words: SKIINGS, SISKIN, SKIING, SINKS, GINKS, KINS, GINK, NISI, SINS, INKS, GINS, SKIS, SIS, INS, GIN
Bonus words:
SKIINGS, SISKIN, SKIING, SINKS, GINKS, KINS, GINK, NISI, SINS, INKS, GINS, SKIS, SIS, INS, GIN