First place has to be Kerbal space program. I can’t think of another game as profoundly educational as this. If you can land a craft on the Mün, then you have a better understanding of orbital mechanics than the average NASA engineer.

Second place goes to Nier: Automata. It’s a selfish pick, but I struggle to think of a more flawless game.

I want at least one multiplayer PVE game and one PVE game, so third and fourth places go to Minecraft (version 1.18) and Team Fortress 2.

Lastly, for fear that it will count as a video game and otherwise be deleted, I save Lichess.org from annihilation