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My second entry for the Rive Halloween Challenge: Bone & Blossom
A skull in the dark, eyes that awaken, and marigold petals rising from the shadows.
Inspired by Coco and the traditions of Día de los Muertos, Bone & Blossom brings together eerie visuals, intricate floral artwork, and interactive motion to create something caught between the haunting and the beautiful.
Built with the Rive CLI, Luau, and custom WGSL shaders, with the artwork and animation refined in the Rive Editor.
Crazyy💀
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Start halloween already. 🎃
My entry for the Rive Halloween Challenge is a jack-o-lantern with no mesh and no textures. Every pixel is a ray marched signed distance field in a WGSL shader running on Rive's GPU Canvas. There's a candle inside that bleeds through the rind, and fog drifts around him under a bloom pass.
His head follows your cursor on a spring. Move toward the Start button and his mouth opens, his brows drop, the violins swell and the screen starts to shake. Click it and the candle goes red, green, orange, the rim lights spin, and he dances and twirls to a disco loop I generated in Python.
How I built it:
• I wrote the scene in RML with the Rive CLI and a coding agent
• One scene shader plus a bloom chain do all the rendering
• Luau scripts drive the shader, the spring motion and the audio
• Around 50 view model properties are data bound (face shape, lights, fog, bloom)
• State machines handle the button states and party mode
• I tuned the colors, lighting and mood by hand in the Rive Editor
The table is haunted, so is the cue ball!
For the @Rive Halloween Challenge here on Contra, I've channeled my inner demons to create a spooky 8-ball pool game called 'Ghoul Table'. 🎱
It was built entirely in Rive using the new CLI, 3D objects, shaders, physics and more... and it ships as a .riv file under 10MB!
What crazy cue ball should I add to the game next? I'll implement the best suggestions!
Delivery vs Zombies is my entry for the Rive Halloween Challenge with Contra. 🧟🍕
A one-level runner set in Buenos Aires on a full-moon night: Matilda has to deliver a pizza through a city full of zombies, with werewolves howling from the rooftops and fog rolling in, for an app that never stops rushing her. At the end, the app prints your receipt, with deductions.
Made from scratch over nine days for this challenge:
Rive CLI: the whole file written in RML from the terminal with Claude Code. 291 commits, checking every change with headless screenshots and pushing back and forth with the Editor.
GPU Canvas: a custom WGSL shader for film grain, chromatic aberration and lens blur, tuned to hold 60 fps.
Scripting for the game loop and physics, Data Binding to dress every zombie at random, State Machines for characters and UI.
The agent was fast, but its art came out generic. So it blocked out the shapes, and I redrew, rigged and animated everything by hand in the Rive Editor, adapting Vero Beltrán's original characters so they read from far away. Matilda squashes on every landing, the zombie bite runs 52 frames, your scooter parts stay where you got caught, and the receipt prints line by line. The UI comes from a design system I built in Claude Design. Original chiptune music.
Playtested with friends until the jumps felt right. English and Spanish, effects and audio can be switched on and off while you play. Desktop only for now.
Let me know if you make the delivery on time. 😅