Source: photonengine.com (provides server networking and hosting for tens of millions of daily users on steam and other platforms). Source: over 2 years ago

With Steam you get 70% of the money you make from your game, and it costs $100 to put your game on the platform. But you get stuff like Steam Networking, VAC, Steam Achievements, etc. You might also get more sales if you put your game on Steam. With itch.io however, you get 100% of the money you make, and it's free to put your game on the platform. The problem is you will get less players than if you were to put... Source: over 2 years ago

Sounds dumb, but my favorite phone game is checkers on flyordie.com which has 100s of players at any given time. Its a quick and fun competitive game that involves IQ that I constantly get beat at, which keeps it interesting. Not at all easy like I thoughts. Chess is too long to play and requires too much for, and most phone games aren't that great imo. Source: about 1 year ago

Flyordie.com is my playground of choice. Source: over 1 year ago

3) Chess.com is not really "official" chess, just the largest online platform with the obvious domain. "Official" would porbably mean FIDE, USCF, or another national organization for OTB play. In that respect there is the American Checkers Federation (ACF) and other national organizations, but they are much less well established than FIDE or USCF. Online play happens on sites like playok.com, flyordie.com,... Source: over 1 year ago