We build games worth throwing your window open for.

Defenestration Technologies, LLC is an independent game studio crafting original titles for the web, iPhone, and iPad. Two games on the App Store so far, a calm coral reef you grow and a dark mountain keep full of dragons, with a little robot's big adventure on the way.

Our Games

Small team, big ideas, no dark patterns. Every game we ship is fair by design: no loot-box gambling, no forced ads, and nothing that needs an account to play.

Reef Bloom app icon: a fish above pink and orange coral
Play now · free in your browser · on the App Store

Reef Bloom

A coral reef, yours to grow.

Reef Bloom is a gentle ecosystem game about stewardship, not control. Place coral on a 10×10 reef to generate Bubble Energy, hatch fish that swim wherever they please, and watch a living reef take shape. There is no failure state and no timer, only a reef that gets richer the longer you tend it.

Every species is a real animal, from clownfish and moorish idols to dugongs and lanternfish, with a journal that tells you a little about each one. Grow past the coral reef into a seagrass basin and the deep twilight zone, each with its own residents.

  • 🪸Two ways to playClassic is a hand-drawn 2D reef. The 3D edition is a low-poly lagoon you can orbit, zoom, and expand tile by tile.
  • 🐠Dozens of real speciesCommon, rare, and epic fish and coral across three biomes, plus seasonal events with exclusive residents.
  • 🧘No pressure, everIdle streaks reward you for simply watching. Bubble Energy is never taken away.
  • 💾Three save slots, no accountProgress lives in your browser. Nothing is sent to a server.
  • 📱Now on iPhone and iPadReef Bloom is available on the App Store.
Reef Bloom 3D edition: a low-poly lagoon with a full grid of coral and fish
The 3D edition, a fully grown reef with over 80 corals in place
Reef Bloom Classic: a colorful 2D grid of coral with fish swimming among them
Classic, a hand-drawn reef at level 8
Dragon Perch app icon: a golden dragon with stained-glass wings
Now on the App Store · free for iPad

Dragon Perch

Raise dragons. Rule the Perch.

You are the Keeper of Dragon Perch, a dark mountain keep where dragons roost in caves carved into a cliff wall. Hatch eggs, feed and train your brood, pair them in the Breeding Den to chase rare bloodlines, and take them down the mountain to fight.

Battles are turn-based duels that reward thinking over tapping. Claws are free, breath attacks run on a cooldown, spells cost mana, and six elements counter one another. A thirty-battle campaign takes you from the Keeper's Trial through Blackbriar Woods, the Drowned Marsh, and Cinder Peaks to the Umbral Spire.

  • 🥚Hatch & breedThirteen dragons, each with its own painted portrait, including the rare Light and Shadow bloodlines.
  • ⚔️Battle with brainsCooldowns, mana, elemental counters, and a spellbook you build yourself.
  • 🏰A keep to growCarve new lairs into the Perch and visit the Town for the Shop, Battle Arena, Tavern, and Guild Hall.
  • 🛡️Fair by designNo banner ads, no account. Every pack shows exactly what is inside, a grown-up check guards every purchase, and parental controls cover purchases, videos, leaderboards, and daily play time.
A turn-based battle: Ember Drake faces Galeshriek in Blackbriar Woods
Ember Drake versus Galeshriek in Blackbriar Woods
The Perch: dragons roosting on a cliff-side wall of lairs
The Perch
The campaign map with cleared battles across the Keeper's Trial
The campaign map
The Town: Shop, Battle Arena, Tavern and Guild Hall
The Town: Shop, Battle Arena, Tavern, and Guild Hall
Tegamak's Big Adventure icon: a small round robot with a glowing cyan eye
In development · web, iOS & Meta Quest

Tegamak's Big Adventure

One little robot. Ten wild worlds. All the light to bring back.

Long ago the Spark of Hertoria kept every robot bright and happy, until the shadow machine Malgrave Omega shattered it into Power Cells and scattered them across ten worlds. You are Tegamak, the last little guardian robot: blast Voidlings with your lazer pulse, rocket-dash through Citadel Wardens, gather the cells, and grow stronger at Sage Brightspark's Forge.

Tegamak's Big Adventure is a bright, family-friendly 3D action game that is still being built. There is no website or store page yet, so this is the place to watch. We will post the launch here first.

  • 🤖Ten worlds, ten OmegasClassic mode marches through ten levels, each guarded by a minion wielding one of Malgrave's own powers.
  • 🗺️Tegamak WorldAn open land with a village, four realms (volcano, sea, desert, mountains), Mechanical Mines below, Sky Isles above, and a castle finale.
  • 🥽Play it flat or in VRThird-person on web, iPhone, and iPad. Put on a Meta Quest and the same game becomes first-person.
  • 🛡️Fair by designNo account, no forced ads. Saves live on your device.
BrowseriPhone & iPadMeta Quest
Tegamak's Big Adventure title screen: Tegamak the robot hovers in front of a moonlit castle
Early build: Tegamak on the title screen, castle in the distance

About the Studio

Defenestration Technologies is a small, independent studio that believes great games come from small teams with big ideas — and the occasional urge to throw things out of windows.

We make games we would want our own families to play: Reef Bloom, a free reef you can grow in any browser or download from the App Store for iPhone and iPad, and Dragon Perch, a dragon-keeping strategy game, free on the App Store for iPad. Further out is Tegamak's Big Adventure, a 3D action game about a small robot with a big job.

Hand-drawn studio logo: a worried computer being pushed out of an open window by a pair of hands
The original studio logo, hand-drawn in 2010.

Fair by design

No loot-box gambling, no forced ads, and clear prices on anything you can buy. Purchases sit behind a grown-up check.

Real things, done well

Reef Bloom only ships species that exist in the real ocean. Dragon Perch ships a real turn-based combat system, not a tap timer.

Yours to keep

Play without an account. Your reef lives in your browser and your dragons live on your device.

Contact

Say hello: hello@defenestrationtech.com

Reef Bloom support: contact@reefbloomgame.com · Dragon Perch support: dragonperchgame.com/support