1. The X (Plane) Files! Multiple Choice 10 Qns A quiz on U.S. experimental and prototype aircraft, from the 1940s to today. Watch that Machmeter! Tough, 10 Qns, umtutsut, Jul 27 05 Category: Aviation Tough umtutsut 1636 plays
2. Space -- The First Small Steps Multiple Choice 10 Qns A quiz about the early days of space exploration for real Space Cadets! Kinda tough. Tough, 10 Qns, umtutsut, Jul 10 03 Category: Man in Space Tough umtutsut 1224 plays
