Ninja Gaiden Sigma 2 is set to release in approx. 2 weeks, and Tecmo released an all new trailer for the title. When it comes to game trailers, they often focus on characters in the game, gameplay mechanics, or maybe even a sample of the story. You’ll get none of that in this trailer. Instead, Tecmo decided to focus on what really matters in Ninja Gaide Sigma 2. In-game breast physics.