Level 1 is accessible to everyone after registration. The other levels are accessible to subscribers.
November 11, 2025: New session for subscribers:
Level 7 – AI Market
(The Race for Leadership: Internal or External Growth?)
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For all these game sessions, the difficulty level is linked to:
- your competitive and financial situation at the start of the game
- the complexity of the competitive landscape, which is proportional to the number of competitors and market segments to analyze
- and the number of strategic levers at your disposal.
- Essilor 1991 – 2013 (segmentation by market)
- Essilor 1993 – 2013 (geographic segmentation)
- Banks
- Construction
- Aircraft Manufacturers
- Airlines
- Energy – Oil
- Energy – Mining
- Energy – Electricians
- Internet Giants
- Internet
- Seafood
- Restaurants
- Scooters
The following table summarizes these last two points:
Main Levers for Strategic Action
Game sessions accessible to readers of Xavier Fontanet’s book “De la stratégie en entreprise, conversation avec Pierre Pupier”, published by Editions Manitoba/Les Belles Lettres:
Other game sessions available upon request:






