This week has been one to forget. Only one valid key in 5 days:
16-05 Clive Barker's Jericho XIZ04-3IY0H-JB40J
18-05 Beasts Battle JFD28-IMWL5-97VXC
19-05 "Error notice from the King" after winning... eight times. Challenge closed. No key.
20-05 Avencast Retail FTHT0-RJJTE-QFEBA