@XBgyManX: I actually did. You find the right balance for you in terms of intensity and duration and just work from there by increasing it little by little.
@Desbris: Yeah it's weird but probably made so that Nintendo wouldn't get sued or something for someone pushing themselves too hard and hurting themselves.
It's just a pop-up, you can dismiss it and continue.
@gargar: Most Steam users game at 1080p so no you're far from the only one. These cards are for those who want bleeding edge performance, visuals and resolutions.
lebanese_boy's comments