Building a Sky That Didn't Break Anyone's World
Building a Sky That Didn't Break Anyone's World
WatchBlocks v1.5.9 - The Cloudreach
WatchBlocks is a 2D block-building survival game that runs on an Apple Watch. That sentence is the source of most of the interesting problems, and The Cloudreach was no exception.
The pitch was simple enough: look up from a world you already know, and see islands floating above it. Go up there. Try not to freeze.
Getting there was less simple.
The sky couldn't be a biome
WatchBlocks already had biomes - Plains, Forest, Desert, Snow, Volcanic, Wastelands. But biomes in this game are horizontal. The generator picks one per chunk and that choice drives the surface, the caves, the ore rarities, the mobs, the music.
The obvious move was to add "sky" to that list. I'm glad I didn't, because it would have been a disaster. Adding an entry to the weighted biome table changes what every seed picks. Every world anyone had ever made would have come back with different terrain, different caves, different everything. The one thing you cannot do to a building game is rearrange the thing people built in.
So Cloudreach isn't a biome in that sense. It's an altitude layer that sits on top of whatever biome you're already standing on. A position in the world now answers two questions independently: what ground biome am I over, and what altitude band am I in. Every existing system - gravity, cave audio, mob spawning, ore generation - keeps asking the first question and never notices the second one exists.
The band starts at least 14 blocks above the generated surface, seeded per world so it's stable, with guaranteed headroom above every platform so nothing generates inside the world ceiling or traps a mob in a one-block gap.
The result is the bit I'm happiest with: existing worlds got a sky without a single block of their terrain changing. Load a save from a year ago, look up, and it's there.
The cold has no UI
Cloudreach needed a survival pressure, and cold was the obvious one. The problem is where to put it.
Look at the screen budget on a 41mm Apple Watch. There are already five hearts, a hotbar, optionally your coordinates, optionally an FPS counter, and a boss health bar when one's active. There is no room for a temperature meter. There's barely room for the hearts.
So the cold doesn't have a meter. Your hearts turn blue.
That's the entire interface. Twelve seconds of grace after you cross into the band, then you lose health every four seconds until you find warmth. The hearts going cold is the warning, and it's readable at a glance on a watch face, which is the only test that matters.
Warmth is three things: any armor equipped, a torch in your hand, or a placed torch within five blocks. That last one turned out to be the good one. It means torches stop being just light and become architecture - you light your way up the approach, and each torch is a place you can stand and breathe. People have been building lit staircases into the sky, which was not something I designed, but it's exactly right.
The Cloudrunner is deliberately not flight
The Cloudrunner is the vehicle you craft from Cloud Blocks and Thunderbolts. It gets you between islands across gaps you can't bridge.
It lasts thirty seconds.
That number caused more argument with myself than anything else in the update. Thirty seconds feels stingy written down. In the air it's a real trip - enough to cross to the next island with margin, not enough to just live up there. Get off and the ride stays where you left it with its remaining time still ticking down, visible on a meter, so parking it somewhere useful is a decision.
The rule I kept coming back to: the vehicle is a reward for learning the zone, not a key that unlocks it. If you need a Cloudrunner to enjoy Cloudreach, then Cloudreach is bad until you grind for one. So the first expedition has to work with what you already have - building, climbing, and nerve. You go up, you find a chest tucked into a cloud shelf, you fight a Storm Wisp for a Thunderbolt, you come back down because your hearts went blue. Then you craft the thing that changes how you move.
Also worth saying plainly, because people ask: there's no offline recharge. It doesn't tick while the app is closed. Nothing in this game is a timer you wait out.
Two mobs and a boomerang
Cloudlings drift around being harmless. They're there because an empty sky is just a platforming level, and a sky with something living in it is a place.
Storm Wisps guard the gaps between islands, which is the most annoying possible place to put a hostile mob, and that's the point. They drop Thunderbolts - the Cloudrunner ingredient, and ammunition for the Launcher if you'd rather fire them at something.
The Boomerang is new too, and it's the small thing I keep smiling about. Throw it, it hits, it comes back. The detail: it travels out at 15 and returns at 17. It's faster on the way home than on the way out, deliberately, so it always beats you back no matter how you move after throwing it. You never end up standing around waiting for your own weapon. Nobody will ever notice that number. It's why the weapon feels good.
Also in this update
- Five new languages - Spanish, German, French, Japanese, and Simplified Chinese. That's roughly 4,500 strings each. Fun wrinkle: the game's house pixel font has no CJK glyphs, so Japanese and Chinese fall back to the system face rather than rendering a screen full of tofu boxes. I might change that... More languages coming.
- 3D worlds, in early access, for full-game owners.
- Mod creator got a batch of new options, and the world-creation and mod-creation screens got a visual pass.
- New horizon and background art - this one's easy to miss in a changelog and hard to miss in motion, but the game looks so much better now.
- Performance, substantially. A lot of quiet work on older watches in particular.
What I learned
The constraint that made this update good was the one that looked like a problem: there is no room on the screen. No temperature bar, no flight meter, no extra HUD. Every mechanic had to express itself through something already on screen or through the world itself
I don't think Cloudreach would be better on a bigger screen. I think it'd have three more bars on it.
The Cloudreach is out now on Apple Watch, iPhone, iPad, and Mac.
- Formidable Studio
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