22 Wii games, (just sold some) 12 Wii U games, 18 3DS games, (just sold some) and several DS games I'm too lazy to count.
Don't get me started on digital.
Here are my numbers for the physocal games I still have. I used to have more older ones but they are all sold. I am not counting in digital games I have bought.
Also I don't own my Gamecube anymore, I sold it but I kept all of the games because of Dolphin.
Gamecube - 15
Wii - 24
WiiU - 21
Switch - 4
Playstation 4 - 5
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@Spirit How many do you own?