Neron App Studio
Neuron · phone app

Neron App Studio / Neurons / Pixi

Tap, paint, and watch the picture appear

Pixi is a color-by-number game with pixel art puzzles and a sense of progress. Tap the numbered cells, earn XP, and take on a new challenge each day. You can also turn your own photos into puzzles, processed right on your phone.

Pixi · Free · iPhone, Android

What it does

Lots of puzzles

More than 150 puzzles across many categories, from animals and food to space, fantasy and dinosaurs.

Your photos as puzzles

Pick a photo or take a new one, and Pixi turns it into a playable puzzle. Photos are processed on your device and never uploaded.

Daily challenges and achievements

A fresh challenge every day, achievements to unlock, and a login streak to keep going.

XP, ranks and combos

Earn XP as you paint, chain correct taps into combos, and climb the ranks from Beginner to Grandmaster.

Free draw

An open canvas and 256 colors. Draw whatever you like, pixel by pixel.

Plays offline

Puzzles, free draw and your progress all work without an internet connection.

Questions people ask

Is Pixi free?

Yes, Pixi is free to download and play. The free version includes many puzzles and shows ads. Pixi Pro is an optional subscription that unlocks all puzzles and removes ads.

Does it work offline?

Yes. Puzzles, free draw and your progress work offline. A connection is only used to load ads and check your subscription.

What happens to my photos?

They are turned into puzzles on your device. Pixi never uploads, sends or stores your photos on a server.

Do I need an account?

No. There is no sign-up. Your progress, coins and pictures are stored on your device, and deleting the app removes them.

Which platforms is it on?

Pixi is available on the App Store and Google Play.

Your pathway

The cells you wired together, in the order you wired them. Make it a slide and you get one code per app, ready to scan or send.

Nothing wired yet. Open a cell and choose “Wire it into my pathway”.