he means the game engines which use ogre for rendering.

from the ogre wiki:
Quote:

* GUCE - cross-platform engine, LGPL generic engine, build ontop of GUCEF and Ogre.
* The YAKE Engine - cross-platform, LGPL licensed VR and game engine. Genre-independent with a rich feature set. Also available for multiple-licenses, if LGPL does not fit your needs (similar to GarageGame's OpenTnL). (Heavy Development, Fully useable, currently active)
* NeoAxis Engine - is a game engine and toolkit designed for the creation of game titles for all genres, as well as 3D Visualization and Virtual Reality projects.
* SagaEngine - multi-platform game engine. Ogre version under heavy development
* OGE - Open Game Engine - Cross-platform, Only LGPL for now, game-engine for multi-genre. (Started Jan 06 - Planning phase)
* WGE - Wreckedgames Engine - From the creator of TheoraVideo pluging and OIS, comes WGE. A script (Squirrel) driven engine. It is licensed under the GPL, alternative license will be availiable. Early development.




but i think there are more. even some commercial ones like from pelican crossing.