PORTAL FOR WAGERING GAMES

1 . A method comprising:

identifying a first wagering game correlated to a wagering game unit, the first wagering game having a first parameter;

identifying a second wagering game from a plurality of wagering games, the second wagering game having a second parameter; and

adjusting features of the first wagering game, features of the second wagering game, or features of the first wagering game and features of the second wagering game, the features adjusted to match a fixed parameter of the combination of the first wagering game and the second wagering game, the parameter correlated to a relationship between the first parameter and the second parameter.

2 . The method of claim 1 , wherein the method includes setting the fixed parameter of the combination to a sum of the first parameter and the second parameter.

3 . The method of claim 2 , wherein setting the fixed parameter of the combination to a sum of the first parameter and the second parameter includes setting an expected value of the combination to the sum of an expected value of the first wagering game and an expected value of the second wagering game.

4 . The method of claim 1 , wherein identifying a first wagering game includes obtaining information associated with a base wagering game.

5 . The method of claim 4 , wherein adjusting features includes adjusting a frequency of a payout for the base wagering game.

6 . The method of claim 1 , wherein identifying a second wagering game includes obtaining information associated with a selected bonus wagering game.

7 . The method of claim 6 , wherein adjusting features includes adjusting a frequency of a payout for the selected bonus wagering game.

8 . A machine-readable medium having machine-executable instructions that, when performed by a machine, cause the machine to:

identify a first wagering game having a first parameter, the first wagering game correlated to a wagering game unit;

identify a second wagering game from a plurality of wagering games, the second wagering game having a second parameter; and

adjust features of the first wagering game, features of the second wagering game, or features of the first wagering game and features of the second wagering game, the features adjusted to match a parameter of the combination of the first wagering game and the second wagering game, the parameter correlated to a relationship between the first parameter and the second parameter.

9 . The machine-readable medium of claim 8 , wherein the instructions include fixing an expected value of the combination to a sum of an expected value of the first wagering game and an expected value of the second wagering game.

10 . The machine-readable medium of claim 8 , wherein to identify a first wagering game includes obtaining information associated with a base wagering game.

11 . The machine-readable medium of claim 10 , wherein to adjust features includes adjusting a frequency of a payout for the base wagering game.

12 . The machine-readable medium of claim 8 , wherein to identify a second wagering game includes obtaining information associated with a selected bonus wagering game.

13 . The machine-readable medium of claim 12 , wherein to adjust features includes adjusting a frequency of a payout for the selected bonus wagering game.

14 . An apparatus comprising:

a portal to control adjustment of a feature of a first wagering game, a feature of a second wagering game, or features of the first wagering game and the second wagering game, the adjustment matched to a fixed parameter of the combination of the first wagering game and the second wagering game, the parameter correlated to a relationship between the first parameter and the second parameter, the first wagering game and/or second wagering game being correlated to a wagering game unit operable to receive a wager.

15 . The apparatus of claim 14 , wherein the portal is configured to control the adjustment based on fixation of an expected value of the combination of the first wagering game and the second wagering game to a sum of an expected value of the first wagering game and an expected value of the second wagering game.

16 . The apparatus of claim 14 , wherein the first wagering game is a base wagering game and the second wagering game is a bonus wagering game.

17 . The apparatus of claim 16 , wherein the adjustment includes an adjustment of a frequency of a payout for the base wagering game.

18 . The apparatus of claim 16 , wherein the adjustment includes an adjustment of a frequency of a payout for the bonus wagering game.

19 . A system comprising:

a wagering game unit operable to receive a wager in association with a wagering game;

a portal to control adjustment of a feature of a first wagering game, a feature of a second wagering game, or features of the first wagering game and the second wagering game, the adjustment matched to a fixed parameter of the combination of the first wagering game and the second wagering game, the parameter correlated to a relationship between the first parameter and the second parameter; and

a communication structure to couple the wagering game unit to the portal.

20 . The system of claim 19 , wherein the first wagering game is a base wagering game and the second wagering game is a bonus wagering game.

21 . The system of claim 19 , wherein the communication structure includes a bus.

22 . The system of claim 19 , wherein the communication structure includes interfaces to operate with a wireless network.

23 . The system of claim 19 , wherein the wagering game unit and the portal are remote from each other.