Shinobi for the Sega Game Gear is a side-scrolling action-adventure game that melds platforming and stealth elements. As a nimble ninja, players embark on a mission to rescue hostages and defeat enemies, including nefarious bosses. Set in distinct levels, players utilize martial arts combat, shuriken throws, and special ninjutsu abilities to prevail. Power-ups and bonus stages add depth to the gameplay. The game is known for its challenging difficulty and represents a portable adaptation of the classic arcade franchise, capturing the essence of ninja stealth and combat within the 8-bit handheld experience.