This paper seeks to confirm whether students using the Global Market Potential System Online (GMPSO) web based software, (http://globalmarketpotential.com), for their class project enhanced their knowledge and understanding of international business. The challenge most business instructors and practitioners face is to determine how to bring the real world of business into a classroom or training environment. Experts claim that the answer lies in the Project-Based Learning (PBL) method and web based interactive software widely used at universities and businesses around the world. The findings indicate that the GMPSO enhanced the students' understanding of international business and improved their team working, research and critical thinking skills. (Contains 3 tables and 6 figures.)