Out now on Google Play
Fluid It Up!
Color puzzle
A relaxing color puzzle: tap a bottle, watch it fly and splash, and fill every crate with the matching color.
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Independent game studio · Belgium
Cozy worlds, big little games.
Pixel Harbor Studio makes colorful puzzle, idle and arcade games for phones: easy to pick up, satisfying to master and free to play.
- Free to play
- No sign-up needed
- Made in Belgium
Our games
Small games, made to be loved
Coming soon
Gate Rush: Idle Tycoon
Idle tycoon
Run the busiest gates in the sky: board passengers, upgrade every step and grow a transport empire that earns while you're away.
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Coming soon
Shard Drone: Idle Space Miner
Idle space shooter
Command a fleet of cute robot drones, blast glowing crystal fields and merge weapon modules across ten exotic planets.
View game
Featured game
Fluid It Up!
Tap a bottle, watch it fly and SPLASH! The colorful liquid flows down the board and fills the crates of the same color. Fluid It Up! is a relaxing color puzzle that is easy to learn and hard to put down.
- Satisfying physics. Real flowing liquid, splashes and color everywhere.
- 150 levels. Gentle at first, then real brain teasers.
- New twists. Mystery bottles, tunnels and chained bottles.
- Helpful boosters. Hammer, Shuffle, Pump and Bigger Belt.
Our player promise
Games that respect your time and your privacy
We build the kind of games we want on our own phones: kind, clear and fair.
Free to play, fair to play
Every game is free to download and play. Ads and optional purchases keep it that way; paying is never required to progress.
Privacy first
No sign-ups and no personal details. In Europe we ask before personalized ads, and on iPhone we ask before tracking.
Play anywhere
Short sessions and offline-friendly play. Idle games keep earning while you're away.
Polished with care
Satisfying feel, readable art and hand-tuned levels, tested on real phones.
The studio
A tiny studio with a lighthouse view
Pixel Harbor Studio is an independent developer based in Belgium, founded by Moaaz Afzal. We design, build, test and support every game ourselves, from the first prototype to the last level.
For advertisers and ad networks
Our games are monetized through Google AdMob and certified mediation partners. Authorized sellers are listed in our app-ads.txt, and every game uses a Google-certified consent platform in the EEA, UK and Switzerland.
# pixelharborstudio.web.app/app-ads.txt
google.com, pub-6994964124806182, DIRECT, f08c47fec0942fa0
+ authorized mediation and reseller partners
Questions, ideas or a bug to report?
We read every message and usually reply within two business days.