Sengoku Blade, also known as Tengai, is a horizontally scrolling shoot 'em up game developed by Psikyo and released for arcade machines inIt is a sequel to their 1993 shooter Sengoku Ace. The game is set in a historical fantasy version of the Sengoku period of Japanese history, featuring demons, magic, and steam-powered robotics.

Players can choose from four different characters, each with their own unique abilities and weapons, to battle their way through various levels filled with challenging enemies and bosses. The game features power-ups, special attacks, and a "tension" system that allows players to charge up their attacks for extra damage.

Sengoku Blade has been ported to various platforms over the years, including the Sega Saturn, PlayStation 2, iOS and Android devices, and most recently, the Nintendo Switch. The game's fast-paced action and unique setting make it a must-play for fans of the shoot 'em up genre.