The process of developing ICT competence of teacher is not only related to fundamental theoretical knowledge, but also to a wide range of practical professional skills. One of the important means of developing ICT competence of teachers are educational games within the course of their professional development. Educational game is a reproduction of real professional situations. It allows participants to experiment, to develop various actions, to make and to correct mistakes which are unacceptable in real life. The experience of educational games within the course of ICT competence development showed that there is a more intensive exchange of ideas and information, which encourages participants to the creative process.