There are three levels: easy, moderate and difficult.

There are 5 questions for each level.


To beat the tumor and get as many correct answers as possible
in the least amount of time!

Avoid damage points!

For each question, you’ll suffer from damage points if you choose the wrong answer:

  • Easy level 1000 points per second
  • Medium level 2000 points per second
  • Difficult level 3000 points per second

The player with the lowest amount of damage points in the least amount of time will be the winner. If there is a tie, the quickest player wins!

Check the I-O Challenger leaderboard to see the top contenders.

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