Here's a quick contents of the cdroms, only listing the commercial demos. 
no PD etc... 
CD32 Gamer Mag CD Vol.01 - Pinball Dreams/Donk
CD32 Gamer Mag CD Vol.02 - Cannon Fodder/Fire&Ice
CD32 Gamer Mag CD Vol.03 - Zool/D/Hero
CD32 Gamer Mag CD Vol.04 - Jetstrike/SuperFrog
CD32 Gamer Mag CD Vol.05 - Tower Assault
CD32 Gamer Mag CD Vol.06 - Rise of the Robots
CD32 Gamer Mag CD Vol.07 - Beneath a steel Sky/Pin.Illusion
CD32 Gamer Mag CD Vol.08 - Clockwiser/Banshee/Trolls
CD32 Gamer Mag CD Vol.09 - Emerald Mines/Nigels Mansells
CD32 Gamer Mag CD Vol.10 - Kingpin/Rally Championship
CD32 Gamer Mag CD Vol.11a - Limbo of the Lost
CD32 Gamer Mag CD Vol.11b - Base jumpers/Whizz
CD32 Gamer Mag CD Vol.13 - PGA Tour/Speedball 2
CD32 Gamer Mag CD Vol.14 - Gloom/PGA TOUR GOLF
CD32 Gamer Mag CD Vol.15 - Bump n Burn/Jetstrike
CD32 Gamer Mag CD Vol.16 -
CD32 Gamer Mag CD Vol.17 -
CD32 Gamer Mag CD Vol.18 - Virtual Karting