Let's Play Every GameBoy Color Game, Part 4
Updated: Feb 22, 2021

Carmageddon: Carpocalypse Now (Titus/AquaPacific, 2000)
Like all Carmageddon games, it's about running over pedestrians. The difference here is that you can barely see them, your car is almost impossible to steer with the dpad, and the engine makes a horrible droning noise that will follow you for the rest of time.

Casper (Interplay/G3, 2000)
Float around the house and pick up items so you can be friends with the humans. The other ghosts and the fireplace (???) hurt you when you touch them, and touching any item pauses the game so Casper can tell you what it is. "I Found Some Broccoli!" I know, Casper. I know you did. Stop eating off the floor.

Caterpillar Construction Zone (Mattel/Realtime Associates, 2000)
Drive some Caterpillar construction vehicles around and use them to move boulders, pipes, and other objects that are in one place and need to be somewhere else. It's extremely simple and repetitive, but I'd have been completely in love with it as a kid.

Catwoman (Kemco, 2000)
Before Kemco made boatloads of generic mobile JRPGs, they apparently made crappy licensed platformers. There's really nothing notable about this one except the fact that Catwoman says the museum's security is lax, but in reality they have floors made of lava and a ray gun.

Catz (Mindscape/Saffire, 1998)
Catz and other similarly named games were basically Nintendogs a decade early. This is basically a simplified version of the PC game, and there's seemingly not much to do beyond customize the appearance of your cat and play with about a dozen items. The ball in the screenshot makes awful noises like an old telegraph transmitter whenever it rolls.

Centipede (Majesco/Accolade, 2000)
We saw a neat GBC version of Asteroids earlier that expanded on the original game with new enemies and asteroids. Centipede, however, is just the original game again. Nothing to see here.

Championship Motocross 2001 Featuring Ricky Carmichael (THQ/Tiertex, 2000)
The tracks are fully 3D, but I really wish they weren't. As impressive as it is, it's also nauseating to look at and the comically short draw distance makes it almost impossible to control.

Chase H.Q.: Secret Police (Metro3D/DreamsCo, 2000)
A weird little game where you have to position patrols and then move them around the map to try to stop a suspect from driving away. If one of your patrols overlaps the target, it'll probably transition to the Outrun style game you see above. Probably. Sometimes it just doesn't.

Checkmate (Altron, 1999)
It's chess. I did a tournament mode and beat some elementary schoolkid, but then I was playing him again in the second round. I have concerns about the organization of this tournament.
You can also pick up your pieces and put them anywhere, but then it puts it back if it wasn't a legal move. This is a Japan-only release that has an English mode anyway, and they translated "checkmate" as "stalemate" somehow.

Chee-Chai Alien (Creatures, 2001)
Another Japan-only experimental game. It uses the GBC's IR sensor to detect light sources and then rumbles if it was bright enough, which according to Wikipedia makes it one of the only exceptions to GBA backwards compatibility. Without an IR sensor, it's just an infinite loop of the little alien guy asking you a question and then giving you a long speech without much of anything happening.