Gunvalkyrie is an action game that takes place in an alternate Earth where space travel and other technological wonders were made possible in the 19th century. Traveling to the British Empire's colony world Tir na Nog, you must locate Dr. Hebble who has disappeared under mysterious circumstances. You acquire payment depending on how well you perform during missions. Money can be used to upgrade your character and their weapons.
The gameplay of Gunvalkyrie is fast-paced and action-packed. Players control a space operative who must navigate through levels, fighting enemies and solving puzzles to progress. The game features a variety of weapons and upgrades that can be unlocked using the payment earned from completing missions.