Gamify your site with points.
Maybe it will soon - just ask for it!
You can manually adjust a user's points from their profile page in the admin.
I plan to add more components in future, but right now these are still under development. Find out more here.
Yes, WordPoints fully supports multisite. It is recommended that you read up on it here before you install it.
Precisely because it is old, outdated, and most importantly, insecure. Backup and upgrade now before it's too late. Seriously!