SK+"Unlock 3 total homes (2 bonus), a colored SK+ gradient tag in chat & tab, 2 cosmetic kill effects via /killeffects, plus a particle burst and sound when you rank up."
SK++
"Everything in SK+, plus 6 total homes (5 bonus), 4 cosmetic kill effects, and a flashier rank-up particle burst."
SK+++
"Everything in SK++, plus 10 total homes, and every cosmetic kill effect via /killeffects — firework finish, lightning strike, and more."
SK+++ (Custom tag)
"Everything in SK+++, plus pick your own name and a color/gradient preset with /customrank. Combine it with a purchased tag for something like 'OG YourName.' The best rank on the server."