“I remember studying very basic cell biology and being bored to death, but the fact that it was an interactive computer game you could get your hands on and see direct results of too much sun and not enough sun was very pertinent in this day and age when folks are so far removed from the plant and the planet."
-Malvina Martin, VP Specials Development at National Geographic TV

“I have a good news to tell you. After i used GDL (V.4) my friend and my professor very like it! I used GDL to presentation in many class. Last term I have grade A in Biology and Biochemistry class! I'm so happy. Your program is the best education software i think.”
-Pisit Sesatja, Samutprakarn, Thailand