Mars-explorer.biz offers 29% – 56% per month as minimal profit for investment.
Plans: 29% – 56% per month
Minimum Deposit: $1
Referral Commission: 30%-10%-5%
Payment systems: Payeer, Bitcoin, Ethereum, Dogecoin, Tether, Qiwi
This is what it says on Mars-explorer.biz website:
Mars Explorer – an economic online game about the colonization of Mars