Got Game Maker 7 installed. Its event system is miles ahead of what MMF had, though it took a couple tries to get things working the way I wanted to.
Here's what I have so far:
- Cars that can move towards the top of the screen at different speeds: 1 tile per second, 2 tiles per second, or 3 tiles per second
- Lane changers and accelerate/brake tiles that affect the cars correctly
- Car creators that create a car once per second
There isn't a UI yet for placing any of these things once in the game, so I'm laying them out in Game Maker's scene editor. All this was about 3 hours of work. Game Maker is almost frighteningly efficient.