irstupid on 25 June 2018
I believe 3.
Might not sound like many, but I only own 6 games, so it's half.
1. Shovel Knight
2. Stardew Valley
3. Mario+Rabbids Kingdom Battle
4. Zelda Breath of the Wild
5. Mario Odyssey
6. Xenoblade Chronicles 2
Those are the games I own, I believe.