Rage of Hero –is a strategy browser game, where you can invest and earn real money. Game has all the aspects that browser strategy games have, you have your own domain, you build different buildings to improve it, you hire troops to fight other players or monsters, which also give you passive income. You can join a clan, upgrade your hero, get different artifacts that improve your strength, basically it’s a browser strategy game where you could also make some money.
There are two currencies in game, gold, for which you buy all the troops, resources and which is used to build buildings, and diamonds, that are used to withdraw money and buy some premium features. You get both 50/50 from troops passive income, there’s a lot of ways to get gold ingame, but it’s the only way to get the diamonds.

Website is in Russian language only
Project start: works since 2011
ROI: hard to determine, since the conversion rate depends on lots of factors and changes, but if you’ll just buy troops and leave them be, it’ll take several years to get the money back, as for small amounts they can be earned easily even without investment, although small investments help things go faster.
Minimal Payout : 100 diamonds (which is 1 Ruble), withdrawal can be made to Payeer.
Paying: Paying