Here is a list of cartridge known to have been released for the Intervision 2001 :

M1 Soccer
M2 Capture
M3 Basketball
M4 Space Mission
M5 Baseball
M6 Alien Invader
M7 Math/Logic
M8 American Football
M9 Video Chess
M10 Bowling
M11 Breakaway
M12 Sea Battle
M13 Missile War
M14 Combat
M15 21 (Black Jack & Poker)
M16 Nibblemen
M17 Robot Killer (unconfirmed)
M18 Akrobat(Circus)
M19 Parashooter
M20 Auto Race
M21 Boxing
M22 ???
M23 Space Squadron (unconfirmed)
M24 Golfer ( Golf )
M25 Crazy Climber
M26 Escape
M27 Cat Track
M28 Space Raider
M29 ???
M30 Horse Racing
M31 ???
M32 ????
M33 Super Bug

Thanks to MrJones and Pelikonepeijoonit for this list
Please help fill the gaps