In chapter 5 of the Orson Scott Card novel Ender’s Game the most notable games being played are the psychological games. Graff and an anonymous voice discuss the mind games they’ll be playing on Ender in order to make him feel isolated and depend only on himself. The other boys play mind games in their efforts to intimidate Ender and other small launchies. Bernard is especially evil, but Ender gets back at him with his own mind game by attacking Bernard’s masculine status by faking a message from Bernard about Shen’s butt.
The following link will take you to the e-note resourcses for Ender's Game.
As mentioned above, besides the games found in the game rooms, mind games are also played in this chapter. Various people play mind games on others in order to achieve a desired end. For instance, the mind game on Ender by the authorities still continues as he is moved to a new dormitory where he undergoes further isolation. In a discussion between Colonel Graff and an unnamed individual, it is evident that the plan is to ensure that Ender’s experiences foster independence and strength. Ender is so distraught that he cries in bed on the first night at his new dormitory. Ender also plays a mind game on Bernard and the rest of the boys. By devising a strategy that would strip Bernard of his popularity, Ender succeeded at making the rest warm up to him. He used a technology gimmick to embarrass Bernard for his bullying.