Arma III: Zeus

Arma 3 Zeus is a new form of multiplayer where improvisation is the key to success. Inspired by popular tabletop games such as 'Dungeons & Dragons', this free DLC for Arma 3 enables you to assume the role of Zeus, a game master with the ability to curate the multiplayer experience of others. Wielding an intuitive real-time editor, you can invent new stories, challenges and locations. The result is always unique, always dynamic combat - for both Zeus and those with boots on the ground. Your rules, your war.## Key Features

• Become Zeus
  Assume the role of game master and curate the experience of other Arma 3 players. Wielding an intuitive real-time editor, you can manipulate or expand multiplayer scenarios on-the-fly, and create a surprising flow of challenges for the soldiers on the ground.
• Enroll As Players
  Form a squad, head into battle, and engage in truly dynamic combat. As one of Zeus' subjects, you need to react to varied objectives, and adapt to unscripted events on a constantly-evolving battlefield. Improvisation is your key to success.
• MP Modes
  Play Arma 3 Zeus across its distinctive 'Game Master' game type scenarios, where nothing has been predetermined. Or visit familiar modes like 'Coop', 'Team Deathmatch', and 'Sector Control' in a completely new way. Zeus multiplayer also works with custom player-created scenarios.

Source:

Steam Store Description