SIGNAL (Strategic Interaction Game between Nuclear Armed Lands) is a turn-based, three-player online game designed to study nuclear conflict escalation and the strategic stability of nations in an artificial world. Players compete to expand their nation’s world influence through potential military, diplomatic, or economic actions within the world.  Players must choose to negotiate peace or commit their actions and risk the outbreak of nuclear war.

★★★ Access Game ★★★

  SIGNAL is open for play at any time. You are welcome to organize a group of three to play the game at any time that best suits your schedule.

Watch the introductory video to learn more:

  • To play the game, please use the following browsers: Firefox (64-bit) or Chrome (64-bit)
  • If you encounter software glitches, or bugs, please send our team an email at
  • To get more information regarding the experiment and to be added to our mailing list, use the Contact form or email: