This article deals with Role Playing Game (RPG) environments for language learning. From a short state-of-the-art, a set of criteria is put forward in order to specify environments to support the communicative practice of a foreign language in the context of RPG activities. Then, MEPA-2D is described. It is a new RPG platform dedicated to foreign language training. It is based on a server system infrastructure which allows learners, teachers, and software agents to act and to interact remotely in a shared virtual world. Eventually, the first test campaign is presented. The latter has been carried out in several contexts and with a varied public. Then, some research perspectives are put forward