There are a total of four levels to complete and each level consists of four tasks. As you conquer each stage and level-up, you earn $XIO as a reward. As the levels progress, the difficulty of tasks increases, but so does the reward amount.
At the final level 4, you can earn up to one million $XIO. Here are the rewards for each level:
LVL1: 1000 XIO
LVL2: 10,000 XIO
LVL3: 100,000 XIO
LVL4: 1,000,000 XIO