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This reddit post is a little old now, but covers the different styles of multiplayer games available (local, co-op- remote)...

The problem is none of those games you listed are AAA, look at Switch it is a microconsole platform with which Apple is competing, The Promise of great subscription games on your phone is amazing but where are the games? Nintendo Switch has great AAA Titles and almost all new titles are willing to port to Switch. Why isn't that happening with iOS. I would be happy to pay for a AAA Title on my phone that I can also play on iPad, AppleTV etc...
 
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