Koei Tecmo America revealed some new features from upcoming strategy game Samurai Warriors 4 Empires. These are Character Substitution and Castle Customization. Character Substitution allows players to customize the playable charactersÃ¢â‚¬â„¢ appearances, political standing, family crests, Musou kanji, portraits, and move sets. They can even be switched with historical characters in unlocked cutscenes. Castle Customization lets players build and customize a castle to their specifications, as well as decorate it. This includes unlockable decorative wallpapers and banners earned from missions. Of course, these banners also bring in bonuses like increased wealth or fame.