*** Move game logic into a script so we can have "variations".
* Then an in-game menu to choose which game:
- Rock Dodger
- Free-form/Practice
- Crazy Taxi
+ Rock Dodger
+ Free-form/Practice
+ Crazy Taxi
* Add networking for multiplayer games:
- Tag
- Deathmatch
+ Tag
+ Deathmatch
** Switch all ray-traced graphics (only big green messages left)
* Then we can run at the native screen size