A version named A-VCS-tec Challenge including the modified-first-person 3-D style was developed from 2002 to 2006 by Simon Quernhorst for the Atari 2600 (Sears VCS).
Aztec | Challenge Cup | Challenge Tour | Challenge Anneka | Aztec Camera | University Challenge | Millennium Challenge Corporation | Diamond Challenge Sculls | Aztec mythology | USA Pro Cycling Challenge | Challenge | The Great Indian Laughter Challenge | Infinite Challenge | WRU Challenge Cup | World Club Challenge | Sa Re Ga Ma Pa Challenge 2005 | Real World/Road Rules Challenge: Fresh Meat | Grand Challenge Cup | Fletcher Challenge | FIRST Tech Challenge | Extra Challenge | Ultimate Poker Challenge | The Man and the Challenge | Rachel's Challenge | Power Challenge | Intercontinental Rally Challenge | Global Challenge | DARPA Grand Challenge | Challenge (TV channel) | Challenge for Change |