Poison Gun

 or Z-gun is an upgraded version of Salamander obtainable randomly at low chance in Z-VIRUS Supply box.

Overview
This weapon boasts an excellent power to zombies which is only obtainable through Supply boxes. It is fed with higher capacity of Nitrogen gas tank than Salamander, making it a high-powered weapon. Though it has limited range, it is excellent for a close combat with zombies.

Advantages

 * High damage
 * Higher ammunition than original variant (+100)
 * No recoil at all
 * After burn damage
 * Light up the surrounding when fired

Disadvantages

 * Obtainable only through Supply boxes
 * Limited range
 * Unable to fired in water
 * Cannot penetrate objects
 * Long reload time
 * Cannot perform headshot

Tips
Combine with Deadly Shot can kill mutiple enemies due to high damage and can spray on a large area

Events
This weapon was released alongside with Z-VIRUS update on 1 May 2013.
 * South Korea: 28 June 2012.
 * China/Taiwan/Hong Kong/Japan: 4 July 2012.
 * Indonesia
 * Singapore/Malaysia: 22 May 2013.

Positive

 * Higher magazine size (+100)
 * Free to obtain

Neutral

 * Same damage (38)
 * Same rate of fire (100%+)
 * Same weight (6.2 kg)
 * Same ammunition (Nitrogen gas)
 * Same reload time (5.0 seconds)
 * Deals afterburn damage to zombies
 * Unable to perform headshot

Negative

 * Only usable in Zombie: The Mutation and Zombie: The Hero
 * Only obtainable through Supply boxes
 * Weaker afterburn damage

Gallery
Firing sound

Empty

Trivia

 * Antidoter refers to zombie antidote. In other words, Anti-zombie.
 * The flame effect of the Antidoter is similar to Angra's poison.
 * In CSO Singapore/Malaysia and Indonesia, this weapon is named Poison Gun instead of Antidoter.
 * In CSO Taiwan/Hong Kong, this weapon is named Z-Gun instead of Antidoter.