Zertyzzle
Crystal merge puzzleSlide rows, line up three identical crystals and merge them. 120 levels, duels with friends and a new league every week.
Free · Android · 8 languages
Discover Zertyzzle Play online
Free mobile and PC games · Android · Windows
Djoox Studio, an independent mobile and PC game studio
We make free games for Android and Windows PC: easy to pick up, made for the fun of playing and translated into several languages from launch day.
Our mobile and PC games
Our games: Zertyzzle, a crystal merge puzzle game and Astrakeep, a hero strategy game on Android, Blasonia, a 6-player auto battler on PC and mobile on Windows PC, and Kingdrake, a medieval strategy game with dragons, coming soon.
Astrakeep
Hero strategy and PvPBesiege kingdoms card by card, battle other players in PvP and awaken 13 heroes. A 145-level campaign, raids and alliances.
Free · Android · 8 languages
Discover Astrakeep Play online
Blasonia
6-player auto battlerSix players, one winner: recruit heroes, merge them and place them on the board. 24 heroes, 6 kingdoms, a new season every month.
Free · Windows · Android soon · 8 languages
Discover Blasonia
Kingdrake
Medieval strategy with dragons In developmentChoose your dragon, grow your medieval kingdom from Age I to Age III and besiege neighboring villages with your army.
Coming soon · Android and iPhone · 8 languages
Discover Kingdrake
Guides and features
Guides to our games and features to help you find a free mobile game that suits you: puzzle, tower defense and strategy.
Offline mobile games: how to play without Wi-Fi or mobile data
Offline mobile games that really work without Wi-Fi: how to test one, which genres fit, what still needs internet, and a free example to try.
Free puzzle games for mobile: how to find the right one
Free puzzle games for mobile: 10 types compared (merge, match 3, blocks, jigsaw, word, logic…), what to check before installing, and picks by play style.
Free strategy games on mobile: how to pick the right one
Free strategy games on mobile: kingdom building, card sieges, PvP, alliances, heroes and fantasy. A practical guide to finding the one that suits you.
Astrakeep guide: heroes, kingdom, campaign, raids and alliances
The complete Astrakeep guide: getting started, islands and buildings, heroes and awakening, campaign bosses, troops and raids, alliances.
Blasonia guide: synergies, heroes, items and auto battler strategy
The complete Blasonia guide: how a match unfolds, gold and levels, 12 synergies, 24 heroes, item recipes, blessings, leagues and chests.
Zertyzzle guide: everything you need, from level 1 to the Weekly Rift
The complete Zertyzzle guide: rules, obstacles (ice, rocks, padlocks), boosters, combos, game modes and collection. Everything to progress faster.
Mobile puzzle game press kit for content creators, streamers and press
Mobile puzzle game press kit for content creators: Zertyzzle viewer challenges, creator codes, free Club for creators, logos and screenshots to download.
From the blog
Tips, devlogs and news on the studio blog. And to chat with other players: the Djoox Studio forum.
Games like Royal Match: puzzle games to try, sorted by what you love
Games like Royal Match: match 3 games with a home to renovate, tap-to-blast games, classic match 3 and merge puzzles, with a table to help you choose.
How to play merge games: the rules, step by step
How to play merge games: combine identical pieces, plan chains and keep the board tidy. Five steps, with a worked example from Zertyzzle.
How to play tower defense: the basics, step by step
How to play tower defense on mobile: the path, placement, upgrades and special attacks explained in five steps, plus the common beginner mistakes.
How we make games
Djoox Studio is a small independent studio. We make the games we love to play, guided by a few simple principles.
Short sessions
A game takes just a few minutes: on your commute, during a break or before bed.
Free, with no tricks
Our games are free. Ads never interrupt a game and in-app purchases are always optional.
In your language
Our games are translated from launch day, in up to eight languages: English, French, German, Spanish, Portuguese, Italian, Japanese and Chinese.
Your data, respected
Our servers are in Europe. No account needed to start playing, and you can delete yours from inside the game.
Contact
A question about a game, an idea, a partnership or a press request? Write to us.
contact@djoox.comJournalists, YouTubers and streamers: fact sheet, logos and screenshots are in our mobile puzzle game press kit.