Possible Clues:

• D&D, e.g
• Shoulder-fired weapon, for short
• Dungeons & Dragons, e.g., for short
• World of Warcraft, for one
• Dungeons & Dragons genre, briefly
• World of Warcraft, e.g., for short
• Final Fantasy, e.g., briefly
• Dungeons & Dragons, e.g
• Dungeons & Dragons is one, in brief
• Dungeons & Dragons, e.g. (Abbr.)