Collect points in the Develocity project to get a guaranteed airdrop in $Deve tokens. 

Go to their official website and perform social tasks (confirmation takes time), check in the "Diamond dash" tab every day and get 8 boxes every week.
https://airdrop.develocity.finance?ref=0xDDC914C84984BBeD958Dd5dbd02FcD4cF4C5cfFD

You get 1 box per task and 1 box for each friend you invite. https://app.galxe.com/quest/DevelocityFinance/GCb7MtzJ6c?referral_code=GRFr2Jhz5Km83SNr5sAaoahvVXW0oOazh9qasBheBNicyqJ

You get 1 box per task and 1 box for each friend you invite. https://app.galxe.com/quest/DevelocityFinance/GCM5ztdud5?referral_code=GRFr2JOzaWm7Uvf-ZsAaoahvYMj0i4uV41Hmi0sMS5EgOBG

Every day take 1-4 boxes. https://app.galxe.com/quest/DevelocityFinance/GC19DtdWd7

Each box requires ~0.07 cents per eth to open on the Arbitrum network.
The end of the activity is August 13, the received tokens can be sold immediately.
There is an opportunity to buy additional multipliers for x1.5 and x3, valid for opening new boxes.