In Grand Theft Auto: Chinatown Wars, there are a total of 23 weapons, excluding the fist. New weapons like the Teaser, the Dual Pistol, Proximity Mines, and Flashbang Grenade are introduced in the game. Other weapons came from the 3D Era and the HD Era. 3D Era weapons are changed or reintroduced like the Sword (similar to the Katana), Revolver (the Python), Chainsaw, Flame Thrower and the Minigun. The weapons can be found in red dumpsters around Liberty City, or bought online through Huang's PDA, which are then delivered to the nearest safehouse.
The Sniper Rifle and the Molotov Cocktail are the only weapons in the game that serve as a mini-game (assembling and making, respectively). The Sniper Rifle is also the only weapon that cannot be bought or carried by the protagonist, excluding missions given.
In Grand Theft Auto: Chinatown Wars, the gun shop; Ammu-Nation displays in the form of an in-game website, where the player can by mostly all weapons except the Fists, Explosives, Sniper Rifle, Flame Thrower and Sword.