They received reprimand letters and had half of their pay docked for two months for work on Medal of Honor: Warfighter.
The active-duty troops reportedly include one member of the team that killed Osama Bin Laden in 2011.
They were charged with violation of orders, misuse of command gear, dereliction of duty and disclosure of classified material.
The seven troops worked for two days during the spring and summer on the recently released video game, according to CBS News.
The game's maker has boasted that real commandos, both on active duty and retired, were involved with the process of designing the game to make it as realistic as possible.