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Challenge Box is an item in Counter-Strike Online.

Inferior Challenge Box

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: 5 Small Medkits, 5 Large Medkits, 5 Battle Revivals, 5 Round retries
  • If you use the box, after the midnight, you can clear Zombie Scenario and re-acquire.

General Challenge Box

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: 5 Small Medkits, 5 Large Medkits, 5 Battle Revivals, 5 Round retries + 1 Random Grade 1-3 Weapon Part.
  • If you use the box, after the midnight, you can clear the zombie scenario and re-acquire.

Intermediate Challenge Box

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: 5 Small Medkits, 5 Large Medkits, 5 Battle Revivals, 5 Round retries + 1 Random Grade 1-3 Weapon Part + 1 Random Grade 2-5 Weapon Part.
  • If you use the box, after the midnight, you can clear Zombie Scenario and re-acquire.

Advanced Challenge Box

Advanced challenge box

Scenario rewards available only once a day. The final grade has been reached. Use it to earn rewards.

  • Content: 5 Small Medkits, 5 Large Medkits, 5 Battle Revivals, 5 Round retries + 1 Random Grade 1-3 Weapon Part + 1 Random Grade 2-5 Weapon Part + 1 Random Grade 3-6 Weapon Part.
  • If you use the box, after the midnight, you can clear Zombie Scenario and re-acquire.

Trivia

  • In Hard 9, you can get 16.8 EXP for every minute in the match. Maximum point is 420 with a total of 25 minutes game play.

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