You won't like it.... Oh boy, you won't like it.
1. SEGA GameGear
2. SEGA Genesis/Mega Drive
3. PlayStation
4. Nintendo 64
5. Game Cube
*Owned PlayStation 2 in summer 2003, but immediately collected heavy dusts*
6. PC
7. Xbox
*Owned PlayStation 3 in early 2007, but immediately collected heavy dusts*
8. PC (again)
9. Xbox 360
10. Nintendo DS
*Owned Nintendo Wii in summer 2009, but immediately collected heavy dusts because for playing GCN games only*
11. PC (again)
12. Nintendo 3DS
13. Wii U
14. Xbox One
*Owned PS4 in 2015 for Bloodborne, but.....*
14. Back to Wii U for Splatoon
15. PC (Yeah, i know it's getting old, but this time it's because of Doom 2016 and Overwatch)
16. Switch & PC together
EDIT
*Oh yeah, i owned both Xbox Series X and PS5 in the same year, however*
17. Switch & PC together (again)