Piano Protocol is a cyberpunk rhythm game built on 400+ original songs, each with its own illustrated world.
Tap, hold and chain tiles to the beat, explore story volumes, and face NULL, the AI that sabotages your run.
FEATURES
• 400+ original tracks: vocal and instrumental, made for the game
• Story mode: 26 illustrated volumes to unlock
• Campaign against NULL: an AI that fights back with traps and glitches
• Survival: one life, no mercy
• Daily challenge and Free Play
• 191 collectible bonus cards: earn boosters, build your 6-card deck
• Card fusion: turn 3 duplicates into a rarer card
• 70+ tile styles: shapes, colors and effects
• 3 difficulties and 5 speeds
• Available in 9 languages
NOTE
This version is signed differently from the Google Play version.
If you installed the game from Google Play, uninstall it first before installing this one.
Free to play, with ads.
Feedback and ideas are welcome!
Last updated on 2026年11月06日
v4.3 – CARDS & NULL
• 191 collectible bonus cards: earn a booster by finishing a song
• Binder-style collection, swipe to change sets
• Your deck: pick 6 cards to use in game
• NULL theme: glitched menus and a secret to uncover…
• Livelier runs: phase announcements, animated backgrounds
• Clearer tiles, fewer effects
• New loading screen, bigger menu, vibration in menus
• Fixes: menu music, stability
