Create a fascinating cast.
Original characters that walk, run, jump, and dash. Clothing colors change without replacing the character.
Animation frames · Walk / Run / Jump / Dash

Build it this weekend.
One-time purchase
Quill is a new kind of game engine for the AI age, with source code and tools for your coding agent. BYOA: Bring your own agent.

Created with Quill over one weekend by indie developer, Phil.

Original characters that walk, run, jump, and dash. Clothing colors change without replacing the character.
Animation frames · Walk / Run / Jump / Dash
Layers that give a place depth. Rain, river, and light. Make a world people want to spend time in.

Set the mood with music. Add rain, footsteps, and sound effects.
Give your characters something to say—and your players a choice.
Pick a reply and follow its branch.
You hear that signal too? Someone’s broadcasting from under the bridge.
Up to 100 players.

Your ideas. Your sidekick. Your game.
Start with PDX Punk’s source code and game assets. Quill’s skills and plugin give your coding agent the tools to create characters, worlds, music, and stories. Bring Claude, ChatGPT, Kimi, or another coding agent.
Create characters, build worlds, and bring your game to life with skills for your AI sidekick.
Create pixel characters, clothing colors, walking, running, jumps, and dashes.

Build places to explore, with scenery, lighting, weather, atmosphere, and points of interest.
Bring characters and scenes to life with animation sequences and cutscenes.
Shape movement, collisions, jumping, gravity, and how objects behave.

Compose soundtracks, prepare loops, audition tracks, and place them in your world.

Create and place footsteps, ambience, and sounds for game actions.
Write branching conversations, cast voices, record speech, and connect it to the game.
Give your world people to meet, with placement, animation, interactions, and dialogue.

Build shared worlds, player sessions, and interactions between players.
A few things to know
Your starting point
Full documentation, setup, and a tutorial, plus game assets to customize and skills to help you make it yours.
The tutorial starts with a single-player game. The multiplayer skill helps you add shared worlds and player interactions when you ask for them.
Bring your AI sidekick
I recommend ChatGPT Pro, Claude Pro, or Kimi Pro.
For new game art, I recommend ChatGPT Images 2.5. For voices, music, and sound effects, I recommend ElevenLabs.
Subscriptions and usage for these services are purchased separately.
Your next world starts here

Tell your AI assistant about the world, characters, and story you have in mind.
Quill gives your assistant the tools to turn that idea into a pixel game.
Try your game in a browser. Ask for a change. Keep making it yours.
You get PDX Punk's source code and game assets, plus Quill's skills and plugin for Claude, ChatGPT, Kimi, and other coding agents.
Modify PDX Punk. Publish or sell your own game.
BYOA: Bring your own agent.
Get Quill release announcements, new engine features, and examples of games built with Quill. Follow Phil on Substack for Quill news and updates.