Zombie Scenario

Zombie Scenario is the second game mode introduced by NEXON Corporation for Counter-Strike Online based on a custom modification for Counter-Strike called as Zombie Riot.

Overview
Survival=

Zombie Scenario pits up to 10 players against increasingly harder waves of AI-controlled Zombie. Money cap is doubled in this scenario and the amount obtained vary between type of zombie killed and the difficulty of the map. Extra health, damage and barrier durability can also be bought off the buy menu if the player have obtained a sufficient amount of money. The rounds will keep getting harder with different zombies pouring in while having more health and abilities.

If the player have Emergency Medicine, Battle Revival and Round Retry items, they can use them for their advantage. However, players cannot use the battle revival when there is 30 seconds left in the round's timer. Any players who have just joined the game or died will spawn at the beginning of the next stage. Pursuit=

50% of the number of players must reach the targeted location by passing several obstacles and hordes of zombies. There are no time limit for this style. Any players who have just joined the game or died will spawn in 60 seconds. The team is counted as defeated if all the players died that round.

After 50% of the players reach the targeted destination, the player will be transported to boss battle arena. In this stage, the players must defeat the given boss. Annihilation=

The players must destroy the given enemies to advance to the next level. There are no time limits. Dead players will revive in 60 seconds. Defense=

The player must defense an object to not destroyed by zombies attack.

Seasons
Zombie Scenario consists of four seasons so far:
 * Season 1
 * Season 2
 * Season 3
 * Season 4

Re:Boot


After Re:boot, new features were added.

Rank
Below is the list of type of ranks the players can achieve:

Kill Combo
The players will have a pop-up message if they managed to kills a certain number of zombies.



New Dr.A's Trunk and Reward
The Dr.A's Trunk now classified into High, Medium, and Low class.