There are a variety of weapons the player can use in Grand Theft Auto Chinatown Wars. Similar to Grand Theft Auto IV, the game features a full range of guns and grenades

Players who pre-ordered Grand Theft Auto Chinatown Wars from GameStop had the exclusive ability to have all of the weapons in the game unlocked and available for purchase at the beginning. In addition to the weapons, those players were also starting the game with $10,000 in cash.IGN: GTA Chinatown Wars Pre-order Bonus (December 17, 2008)

Rockstar released a video trailer about the rampage mode in Grand Theft Auto Chinatown Wars that outlines many of the weapons available in the game. The weapons listed in the trailer are:

1. Sword
2. Chainsaw
3. Grenades
4. Shotgun
5. Minigun
6. Rocket Launcher
7. FlamethrowerGameTrailers: Grand Theft Auto Chinatown Wars Rampage Trailer

Additional weapons include Molotov cocktails and classic pistols.IGN: Grand Theft Auto Chinatown Wars Review

Grand Theft Auto: Chinatown Wars is the first game in the Grand Theft Auto series to appear on the Nintendo DS. The game follows the story of Huang Lee. After his father's murder, Huang is put on a mission to deliver the Yu Jian sword to his uncle in order to make sure his family maintains control of the Triad gangs of Liberty City. Huang, a spoiled rich kid who knows little about the world of organized crime, expects everything to run smoothly, but his trip does not go exactly as planned. After being robbed and left to die, he must do everything in his power to track down and reclaim the sword, avenge his fathers murder and reclaim his family's honor.Official Site: Grand Theft Auto: Chinatown Wars