Langrid Gaming, which provides multilingual communication for gaming simulations using translation services provided on the Language Grid, is a useful educational tool and can contribute to the resolution of international social conflicts. This tool has been enhanced on the basis of the experience and know-how obtained from the participants' comments and suggestions. However, the object and the model object of the gaming tool are usually defined as Java or PHP objects, which makes it difficult for non-programmers to develop a new game. In this study, we propose a framework to implement various types of Langrid Gaming easily. In particular, we designed a new domain specific language (DSL) called 'Karina' to describe targeted games, and implemented a translator to convert Karina script into CGI programs. This script development environment makes game building easy and simplifies the development procedures, regardless of whether the gaming developer is a programmer or not.