Nurose is online dueling game where you fight others with custom spells. It has a custom spell building system that allows players create unique attacks. The game has a high focus on gameplay customizability and has a high skill ceiling.
Central to Nurose is the unique spell building system. Spells are built by visually programming glyphs in a staff. There are 30+ glyphs ranging from simple movement glyphs to complex conditional glyphs. You don't need to level up to earn new glyphs or staffs. Each glyph is available from the start so everyone is on a even playing field.