1. Visual Novel System
1.1. Click with mouse to skip ahead the lines (it will cut the typewriter effect and the voiceline). The player then will have to click again to continue to the next line.
1.2. Auto Play (auto plays the dialogue so the player doesn't have to click to go on to the next line)
1.3. Choice System
1.3.1. The player will have the ability to make some choices as I.
1.3.2. Not sure whether to make the player be able to choose whether I continues IX or not. I could make that so depending on their prior decisions is what I will decide on their own at the end.
2. User Interface
2.1. Rhythm Game Styled
2.1.1. Inspirations
2.1.1.1. osu!
2.1.1.2. Friday Night Funkin'
2.1.1.3. Hatsune Miku: Project Diva (any of the titles)
2.2. Order of Title Screen
2.2.1. Before starting the story
2.2.1.1. Start Game
2.2.1.2. New Game (Greyed out)
2.2.1.3. Free Play
2.2.1.4. Settings
2.2.1.5. Credits
2.2.1.6. Quit
2.2.2. After starting the story
2.2.2.1. Continue
2.2.2.2. New Game
2.2.2.3. Free Play
2.2.2.4. Settings
2.2.2.5. Credits
2.2.2.6. Quit
2.3. Settings Menu
2.3.1. Music Volume
2.3.2. Sound Effects Volume (includes Hit Sounds)
2.3.3. Custom Key Binding
2.3.4. Hit Sound Selector
2.3.5. Offset
2.3.6. Colourblind Modes
2.4. Pause Menu (Visual Novel)
2.4.1. Continue
2.4.2. Restart Chart (Rhythm Game Only)
2.4.3. Settings
2.4.4. Credits
2.4.5. Save and Quit
3. Rhythm Game System
3.1. Keybinds
3.1.1. Custom
3.1.1.1. Player will be able to bind each key to their own button input.
3.1.2. Default
3.1.2.1. A, S, O, P
3.2. Combo System
3.2.1. Combo resets if you Miss.
3.2.1.1. Combo counter will turn white.
3.2.2. Combo will indicate if you are full comboing so far.
3.2.2.1. Combo counter will be colourful.
3.2.3. Combo will indicate if you have pressed only Perfects so far.
3.2.3.1. Combo counter will glow.
3.3. Point System
3.3.1. Miss = 0 Points
3.3.2. Good = 2 Points
3.3.3. Great = 3 Points
3.3.4. Perfect = 5 Points
3.4. Accuracy System
3.4.1. Total Points Gained/Amount of possible Perfect Points for that Chart * 100.
3.5. HP System
3.5.1. Miss = -5 Health
3.5.2. Good = +1 Health
3.5.3. Great = +3 Health
3.5.4. Perfect = +5 Health
3.5.5. Total Health Point Amount = 100 Health
3.6. Song Categorisation
3.6.1. I's Songs
3.6.2. X's Unreleased Collection
3.6.3. IX