Blue Duel
Blue Duel app icon

Blue Duel

A head‑to‑head mini‑game arcade for two phones, linked directly over Bluetooth. No Wi‑Fi. No cellular. Just you and the player next to you.

Now on the App Store

Coming soon
iPhone · iPad

Bluetooth, not the cloud

Phones pair directly. Play on the couch, on a plane, or anywhere the network won’t follow.

Pick‑up‑and‑play

Quick rounds you can finish before your coffee gets cold — perfect for a five‑minute duel.

Built for two

Designed from the ground up for one‑on‑one matches between two people in the same room.

Six games, one tap away

Pick a game, pair your phones, and go. Every match is a fresh five‑minute showdown.

A round of Liar's Dice in progress with a bid panel at the bottom of the screen.
Liar's Dice bidding panel — two phones linked over Bluetooth while an opponent takes their turn.
Game picker showing Rock Paper Scissors, Tic Tac Toe, Battleship, Connect 4, Gomoku, and Liar's Dice.
Gomoku board mid‑game with black and white stones in an emerging strategic pattern.
Tic Tac Toe round won by three Xs in a row with a rematch button at the bottom.
Blue Duel lobby screen searching over Bluetooth for a nearby player.

Questions, feedback, bug reports?

We read every message.
Drop us a line and we’ll get back to you.

support+blueduel@diffusethinking.com