Thank you @The_Liquid_Laser for this super fun series of threads. They've renewed my enthusiasm for posting in the forum :)
As for the game of all time, I'm one of the lucky folks who counts their own #1 game among this shortlist. It's Breath of the Wild, for me the perfect example of what the video game medium can achieve.
I'm gonna steal @UnderwaterFunktown 's idea and rank the full list, since this is the final event :)
10. Pong
9. Space Invaders
8. The Last of Us
7. The Legend of Zelda
6. The Legend of Zelda: Ocarina of Time
5. Final Fantasy VII
4. Super Mario Galaxy
3. Super Mario Bros. 3
2. Resident Evil 4
1. The Legend of Zelda: Breath of the Wild