A theory originally proposed on the Gaming Outpost forums by Scarlet Jester in 2001. This was a modification of the Threefold Model from rgfa, and Ron Edwards' original GNS. However, GEN replaces "Simulationism" with "Explorationism".

References:

• The Threefold Model
• All You Need to Know About GEN (Gaming Outpost, Jun 2001)
• Character Potential - A Path to Successful Gaming (Gaming Outpost, Jun 2001)
• Stress-Testing GEN (Gaming Outpost, Jun 2001)
• GEN - Stances (Gaming Outpost, May 2001)
• GEN - Explorative (Gaming Outpost, May 2001)