League of Legends is shit - Competitive Scene (Mainly).
Counter-Strike: Global Offensive - Competitive/Ranked Play.
WarCraft III - Classic RTS.
They Are Billions
Legion TD 2
Garry's Mod - DarkRP & TTT.
Factorio & Satisfactory
ARK
Etc...
There is no set in stone method to see what job is verified and which aren't. Your best bet would be to get in contact with my good friend @Flip and he can provide some assistance with his expertise on CG CJs.
I would assume it resets all your skills and returns all the SPs equivalent to how much they cost. If it doesn't work like that and it causes you to lose SPs then it'd be best to make a bug report, but you'll never know until you try.