GShield is the first and only V-Chip for computer games. GShield allows parents to control what games are played on the computer much like they can control what shows are viewed on the TV. Parents can select which ESRB ratings are alright for their child to play and GShield will monitor the games played and Attempt to find the rating for that game, at which point if it violates the policy the parent setup the game is terminated. GShield is another tool for parents to use to keep unwanted content away from their kids and help the parents maintain control of their computer.
In addition to blocking games based on their ESRB rating parents can also use GShield to limit the time spent playing computer games. Parents can limit games on time based on days of the week, say they don't want their child playing more then two hours on school nights but they can play eight hours on weekends, or they can turn off games all together, i.e. to enforce a grounding or drop in school grades.