Lillusion is an action role-playing game with traditional 2D graphics. The plot of Lillusion takes place on The Island, where beautiful purple crystals are hidden. These crystals emit mutagenic radiation on island creatures. A group of people with mutations that allow them to manipulate the minds of others, causing hallucinations that send them into a mental space where they can alter space, time, reality, or use the elements of nature to attack like reality in Lucid dream. This group of people went up to the ruling class and turned other ethnic groups into slaves.
Players will take on the role of a teenager with special powers hunted by the ruling class. His family was murdered when trying to hide him, Currently he is raised in an outpost by his uncle, a leader of the resistance.
Lillusion's gameplay revolves around exploring the 2D platformer map, hunting monsters, foraging for the outpost. During the quest, many events occur and force the player to fight and make choices. Each choice leads to a different experience.
Lillusion's combat system revolves around slashing and dodging in the real world, using spell combos to use skills in mind space. The skills are not limited but require memorizing the order of the seals and the amount of astra to be able to cast.