Tapel Saga is a mobile game that mixing RPG (A role-playing game (RPG) is a genre of video game where the gamer controls a fictional character (or characters) that undertakes a quest in an imaginary world). Idle game( An idle game is a game that progresses with no interaction from the player.) and Visual novel (Visual novel (VNs) video games are text-based adventure games that combine interactive fiction and traditional anime or manga art styles to give the gamer the experience of reading a novel in a visual format). To create engaging experiences though the unique gameplay. With The Fundamental Game Design to forged Tapel Saga, that concept was implemented on some variant mode: main story, endless run and boss rush