Topic: Mario Tennis Or MGS Vol 1?

Hi guys. Right now, I have enough money in my Nintendo Account to purchase either Mario Tennis Fever, or the Metal Gear Collection Volume 1, but not enough for both. I know that they are very different games, but what do you guys think I would enjoy more? Did I read/hear right that the Metal Gear Collection got a Switch 2 Upgrade? Is it a free upgrade? I mostly play single player games. Thoughts and help appreciated

I can't attest to the specific quality of the Switch version or its Switch 2 upgrade. . . but since you are buying the games digitally ( implied by your mention Nintendo Account money ), and since you prefer single player games? Metal Gear should be the easy answer. The Mario Tennis games are very much multiplayer games, primarily, while the Metal Gear collection is not only exclusively single player, but its a ridiculously huge amount of single player content.