I have both and I like them both. They have different sports so it's nice to have both. So it might depend on which sports he prefers? Although, if he really wants KS2...he might not appreciate you choosing KS1? I think KS1 has more mini-games, but I am hoping they will add more DLC for KS2. Again, look at the sports on each. But if you can get a good deal, get both! One for him and one for you!
Don't make excuses...make Choices! Discipline is just remembering what you really want! Strive for progress, not perfection!
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