A screengrab from Mr. Correira's game, Paintball!. (Screengrab: YouTube) A screengrab from Mr. Correira's game, Paintball!. (Screengrab: YouTube) Josh Correira will start his freshman year at ...

Josh Correira will start his freshman year at Rensselaer Polytechnic Institute this fall, but already the 18-year-old is raking in up to $4,000 a month — all because he programmed an online video game ...