Challenge Box

Challenge Box is an item in Counter-Strike Online.

Inferior Challenge Box


Scenario rewards available only once a day. You can upgrade your compensation level by clearing the Zombie Scenario without using the box.
 * Content: The four Zombie Scenarios supplies (1x).
 * If you use the box, after the midnight, you can clear Zombie Scenario and re-acquire.

General Challenge Box


Scenario rewards available only once a day. You can upgrade your compensation level by clearing Zombie Scenario without using the box.
 * Content: The four Zombie Scenarios supplies (5x) + randomly assigned 1 to 3 items.
 * If you use the box, after the midnight, you can clear the zombie scenario and re-acquire.

Intermediate Challenge Box


Scenario rewards available only once a day. You can upgrade your compensation level by clearing Zombie Scenario without using the box.
 * Content: The four Zombie Scenarios supplies (5x) + randomly assigned 1 to 3 items + a grade piece + random 2 ~ 5 rating item
 * If you use the box, after the midnight, you can clear Zombie Scenario and re-acquire.

Advanced Challenge Box


Scenario rewards available only once a day. The final grade has been reached. Use it to earn rewards.
 * Content: The four Zombie Scenarios supplies (5x) + randomly assigned 1 to 3 items + random 2 ~ 5 rating item + random 3 ~ 6 grade piece
 * If you use the box, after the midnight, you can clear Zombie Scenario and re-acquire.