There are no such things that couldn't be ruined by... greed(?), apparently.
From now on:
Wizz Air offers two types of [Discount Club] membership; you can choose the one that better suits your travel requirements.
Standard membership is for you and your travel companion, all for an annual fee of just €29.99
Group membership is for you and up to 5 travel companions, all for an annual fee of just €49.99
Until now, the member has been offered discount tickets for up to 10 pax at a time.