OMG HD Zombies! is a single-player action, shooter, casual, and puzzle game in which players navigate through chaotic zombie-infested environments, utilizing various weapons and strategies to survive and clear levels. In this game, the setting is a horror-themed world overrun by zombies, where players must complete objectives and fend off hordes of the undead across different levels. It stands out with its blend of fast-paced shooting mechanics, puzzle-solving elements, and a horror atmosphere, offering a unique experience on platforms like PlayStation Vita and PC, with enhanced graphics and gameplay features in the remake.