TOUS LES LIVRES
- Odyssée : Sur les traces d'Ulysse - Le Guide officiel (2000)
- Of Light and Darkness - The Prophecy - Official Strategies & Secrets (1998)
- Official Mortal Kombat 3 Fighter's Kompanion (1995)
- Official Mortal Kombat 3 Pocket Kodes (1996)
- Official Mortal Kombat 4 Arcade Secrets (1997)
- Official Mortal Kombat II Arcade Secrets (1994)
- Official Mortal Kombat II Pocket Kodes (1994)
- Official Mortal Kombat Trilogy Fighter's Kompanion (1996)
- Official NBA Hangtime Player's Guide (1996)
- Official Sega Genesis and Game Gear Strategies - '95 Edition (1994)
- Official Sega Genesis and Game Gear Strategies - 3rd Edition (1992)
- Okage : Shadow King - Prima's Official Strategy Guide (2001)
- Okami - Official Strategy Guide (2006)
- Oltre il gioco : critica della ludicizzazione urbana (2016)
- Omikron : The Nomad Soul - Prima's Official Strategy Guide (1999)
- On the Way to a Smile : Final Fantasy VII (2014)
- Once Upon Atari - How I Made History by Killing an Industry (2020)
- Oni (2001)
- Oni - Prima's Official Strategy Guide (2001)
- Onimusha 2 : Samurai's Destiny - Official Strategy Guide (2002)
- Onimusha 3 - Le Guide de stratégie officiel (2004)
- Onimusha 3: Demon Siege - Official Strategy Guide (2004)
- Onimusha : Dawn of Dreams - Official Strategy Guide (2006)
- Onimusha : Warlords - Official Strategy Guide (2001)
- Onimusha : Warlords - Prima's Official Strategy Guide (2001)
- Onimusha Tactics - Official Strategy Guide (2003)
- Online Games Guide (1997)
- Online Gaming (1999)
- OpenGL Game Programming (2002)
- Optimisez votre PC pour le jeu (1998)
- Oregon Trail II - The Official Strategy Guide (1996)
- Oric Atmos, vos programmes (1984)
- Oric-1 à la conquête des jeux (1984)
- Orphen : Scion of Sorcery - Official Strategy Guide (2000)
- OST - 100 albums indispensables de jeux vidéo (2014)
- Outcast - Guide officiel (1999)
- Outcast - The Official Strategy Guide (1999)
- Outlaws - The Official Strategy Guide (1997)
- Outpost - The Official Strategy Guide (1994)
- Outpost - Totally Unauthorized Guide (1995)