This document outlines the design of a mobile game about catching and breeding euglena. It discusses key elements like gameplay strategy, user experience considerations, and sharing features. The game aims to evoke nostalgia while being easy to understand and play. Notifications and diary updates will encourage players to reengage with the game daily.

1. Diary Euglena
h_mori

2. Self-introduction
• Hidetoshi Mori（Programmer）
hidetoshi.mori
@h_mori
SOICHA/TweetMe
ATND暦/生存連絡

3. Theme
• Independent research of summer vacation
• Nostalgia
• Fantastic

4. Strategy
• Easy to input voice (remove shyness)
• Feel love to Euglena
• Automatic lottery
• Make to play again

5. Keywords
• Division / Conjugation
• Telomere / Telomerase
• Schale / Catch and Collect

6. Rule of Game
• Catch → Add reference book
• Division is faster when small number of Euglena
• Recipe of rare character (Flag of appear)
• Active change / Passive change

7. User Experience
• Easy to understand in intuitive
• Express pictures than words (ex. sandglass)
• Number of telomere express euglena size

8. Effects
• Movement euglena and garbage in schale
• Ripples when to catch euglena
• Motion of Button
• Effect after input voice (when change color)

9. Operation
• Easy to tap euglena size
• Reduce incorrect operation (favorite option)
• Animation when catch and conjugate
• Remove close button in modal window

10. Share
• Share snapshot in game
• amusing, funny, unexpected character
• Diary
• Disgusting euglena

11. Notification
• When diary update (Once a day)
• When appear new character
• When full of schale (Omit it, too noisy)

12. Consideration
• Longer period for prototyping
• Think user purpose about operation (UX)
• Share promote effective with include picture
• Notification help user come back game

13. https://itunes.apple.com/jp/app/guan-
chamidorimushi-ri-ji/id638625825
Euglena