You start with $25 in your pocket and your dream is to convert them to millions. There is many ways to reach it, usually connected with running some kind of company. However, many people have managed to become rich even by trading and investing while you consider this way as "more simple and cool". But, $25 is not much for classic stock, so you decided to go trough cryptocurrency Bitcoin. Beside your little money, you have also some PC suitable for CPU mining.
Try use your money, bitcoin volatility and PC performance for your benefit in the game BTC imperium. How rich will you become?
Disclaimer: This is game and has nothing related to real Bitcoin or investing.