Déunocta is a solo-developed tactical first-person shooter that combines retro gameplay with unique visuals. Players assume the role of Kathayra Cassidy Chrome, a psych witch battling against a tyrannical demi-god in a corrupted dimension. The game features classic boomer shooter mechanics reminiscent of titles from the 90s, with a blend of digital and practical effects that create a distinct psychedelic goth aesthetic. With over 20 different creatures to encounter, including formidable bosses, players will need to employ tactical skills to survive and progress through the game.

The game consists of three expansive chapters, each containing multiple dynamic mazes that challenge players with puzzles and combat scenarios. Players can utilize eight brutal weapons and uncover secrets throughout the game, including bonus rooms and hidden items. The immersive soundtrack complements the gameplay, enhancing the overall experience. The save feature allows for flexibility during gameplay, making it accessible for players. Overall, Déunocta presents a unique blend of art and action for fans of the genre.