Games that follow the original Yume Nikki's gameplay mechanics:
- The games focus on exploring in different worlds. (Dreams, Other Dimension etc.)
- The protagonists have the ability to return to the start point anytime in anywhere . (Wake-up, Return etc.)
- The main task is to collect Effects (or in other names) that change the protagonist's appearance / sprite, some can have special use (Speed up, Weapon etc.) and some can be cosmetic.