| | 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 |
| | The 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 Software |
| | The player must purchase the software to play these games. |
 |
| | Pay Subscription |
| | The player must pay a periodical subscription fee to play these games. |
 |