Level 50 give unlock +5 ex-levels
Level 100 give unlock +5 ex-levels
Level 150 give unlock +5 ex-levels ??
1 Mill SED unlock +5 SED levels
2 Mill SED unlock +5 SED levels ??
Complets stage 4 (can't be done atm) unlock +25 ex-levels

100 friends dont unlock any-SED levels!!