...If you complete each task correctly at the end you can mint free NFT. So, they have 8 Tasks right now and there will be more few tasks coming asap...
Yes, it would be nice to do test tasks, but when completing quests, there is a problem with buying NFT in the test network due to their excessive cost, which does not allow you to complete the quest. Have you completed this quest? If "Yes", how did you solve this problem?