Completely Free
No software or subscription fees are involved to play these games.

Free Trial
New players are able to try these games for a limited time before paying.

Free Software
he player does not have to purchase the software to play these games, although subscription fees may apply.

Free Subscription
The player does not have to pay a subscription fee to play these games, although the software may not be free.

Pay To Play
The player must pay a periodical subscription or software fee to play these games.