Rhythm Thief & the Emperor's Treasure (リズム怪盗R 皇帝ナポレオンの遺産, リズムかいとうアール こうていナポレオンのいさん, Rizumu Kaitō R: Kōtei Naporeon no Isan) is a game made by SEGA. It follows an art thief named Phantom R who attempts to find his father who went missing three years previously.
There are anime-styled cutscenes present in the game.
This game's software was up for download on the Japanese eShop on June 27, 2013. However, the download for the software and its demo was discontinued after January 18, 2017. Another version of the game went on sale on November 22, 2012. It was titled Rhythm Thief & the Emperor's Treasure SEGA THE BEST (リズム怪盗R 皇帝ナポレオンの遺産 SEGA THE BEST). The content stayed the same as the original.
There is a StreetPass function in Emperor's Treasure where the player can pass people and gain fans. This is unlocked after completing Chapter 1.
- Chance Encounter
- On the Trail of the Mark
- The Darkness of Les Invalides
- The Paris Opéra
- In Search of Marie
- Intrigue in the Shadows
- Saving Marie
- Marie's Secret
- Weapon in the Clouds
- Parting Ways
- Meeting Fondue (bonus chapter)
- Marie's Test (bonus chapter)
- Family Ties (bonus chapter)