While looking for ways to earn money online, I came across a web game called piratos. Seems like it's not really popular especially here in Nigeria, but it works for Nigerians. 

Piratos is a web game that enables you to earn copper coins each day which can be converted to USD and withdrawn.

How to make money in Piratos?

There are many ways to earn money in Piratos: Collecting, searching for treasures in chests, participating in various events, playing as a boss, a clan system, the possibility of renting a character.

They have a game release coming out this July. After the Game release,  if you open a common chest you'll find the copper coins and USDT which can be withdrawn

They have various treasure hunts each month ranging from weekly quizzes to referral contests were you can get up to 200usdt. Their referral contests happens each month were the top referrer gets 200usdt. There's also prizes for top 10 referrals.

Use the link below if you want to try it out. https://piratos.gg/?ref=1Tj2Nq2