I'll share precise info with you as soon as I have them. I actually haven't played it yet so I don't want to improvise too much
I hope stat tracking is in-depth and available from launch.
Using social features to encourage competitive play would be great.
I'd love to send challenge invitations to friends, or have the PS4 system somehow send me PSN notifications of any highscores beaten by friends. Not sure if that's possible, but it'd be nice to be kept constantly in the loop even when not playing the game.
I'm hoping for some Dead Nation-styled region leaderboards too. Would it be resource-intensive to have high-scores based on states/provinces? I'm here in Canada and would love to know how I rank in the country, as well as my province! I don't any game that does that, but it'd be awesome.
Resogun-style "next high score" options would be great too, whether it's a friend, or next highest on leaderboard.
Hoping Pacifism mode (similar to Geometry Wars) is added as well
2015 is going to be a crazy year for PS4.