Dino Trilogy v4.0 (ASP) - DynoTech Software. Three exciting windows educational games for ages 5-12 [Memory, Math, Spelling]. Help Derik the Dinosaur rescue items from Rex the Tyrannosaurus by solving various learning challenges. Includes animation, music, and sound effects. ''No loose'' feature helps make learning more fun. Req: Any version of Windows or OS/2; 8MB RAM; Sound Card (optional, but recommended).