Yeah, game programming tends to be pretty math-intensive. What math you need depends on what you're working on. Basic arithmetic is a must, of course, just as it is in all programming. Beyond that:
Geometry is vital to any graphics work. If you want to display things on screen, you need to understand coordinate systems. And if you want to move them around in anything but the cardinal directions, you'll be completely lost without a solid grasp of sines, cosines and vectors (basic trig). And if you need to work in 3D, the geometry and trig requirements get a lot more complicated.
If you want to model any sort of remotely realistic physics, you need calculus for that. (It's what drove Newton to invent calculus, afterall.)
Any sort of probability calculations require knowledge of statistics and probability theory in order to get sane results without insane amounts of trial and error.
There's probably a lot more, but that's what comes to mind just off the top of my head.