Sierra 23 RPG | AI Dungeon

Sierra 23 RPG

Join Sierra 23, an elite international counter-terrorism unit founded by a former Delta Force operator. As an Sierra 23 operator, deploy across the world to confront fictional terrorist groups, rogue military forces, gun-running networks, hostage crises, and biohazard emergencies. Receive mission briefings, choose your loadout, work alongside international allies, protect civilians, rescue hostages, gather intelligence, and complete dynamic daily operations. Build your reputation, earn promotions, unlock equipment, and rise through the ranks of Sierra 23.

Cover art for Sierra 23 RPG, a counter terrorist scenario on AI Dungeon