5
IDEAS DAILY 1 SHIPPED BEFORE SUNDOWN
Project complete: 115 ideas sparked, 23 prototypes shipped.
2026-10-03
DAY 23 OF 23 RANK #2 INTERACTIVE
Theme: Cthulhu

Fog Over Mercy Island

A 1920s Call of Cthulhu-style solo gamebook: lead an expedition to a fog-bound Aleutian island, roll d100 against your skills and keep your companions sane.

⚡ The Prototype // Idea #1

Fog Over Mercy Island

Built in 4.0h with Claude Code

tips_and_updates The 5 Morning Sparks

Lovecraft's mythos for digital medium
IDEA #1 lightbulb

Choose Your Own Adventure

Classic gamebooks meet Call of Cthulhu

A browser-based choose-your-own-adventure based on the classic books and the Call of Cthulhu RPG system. Adventures are stored in a configurable format.

Game, Writing, Horror SHIPPED
IDEA #2 lightbulb

Tamagotchi Cthulhu

A digital pet that grows into an eldritch monster

A digital pet you can revisit that grows into an eldritch monster. A few extra features keep it from getting boring, but it stays minimal, in pixel graphics using real Cthulhu pixel images.

Game, Pixel Art, Horror
IDEA #3 lightbulb

Shoggoth Life Simulator

A day in the life of a Shoggoth

A day-to-day life simulator with scripted events in the life of a Shoggoth. It takes about half an hour to play and has multiple endings.

Game, Simulation, Horror
IDEA #4 lightbulb

Player Sheets Designer

A character designer for the RPG

A character designer for the Call of Cthulhu RPG.

Tool, Game, Horror
IDEA #5 lightbulb

Cthulhu Mythos Resources

Browse Lovecraftian stories, aggregators and zines

A single-page app for browsing and listing Cthulhu Mythos and Lovecraftian stories. Resources are sourced from book databases and online research, with links to online aggregators and zines.

Learning, Horror
construction

How It Was Built With AI in 4.0 Hours

1

Ideas

Came up with the ideas as usual.

2

Style and design

Provided parameters for the writing style and the design.

3

Story

Refined the story through the follow-up questions.

4

Play

Played the game.

5

Full screen

Fixed the awkward scrolling by implementing a full screen mode.

6

Continuity

Playing showed what could break. I gave five or six examples of what was wrong, and the agent ran a general continuity check so nothing happens without a reason earlier in the story where converging paths meet.

7

Ship

Ship it, and play it one more time.

thumb_up

What Rocked

  • ✓The agent figured out that it needed a general continuity check, since I had only played about 20% of the game.
  • ✓It did a pretty good job of fixing more than the problems I reported.
bug_report

What Broke & Fixed

  • ✗Nothing really beyond what is expected of an AI-generated story: it was a little discontinuous.
smart_toy AI Interaction Summary
Genesis Prompt: "I want to record a new day on a theme of Cthulhu. The tagline is going to be Lovecraft's mythos for digital medium. The seats for today are had wonderful sleep and the li-in, delicious brunch, and a relaxing day so far."
Interaction Turns: 11 human turns across 524 execution steps

Key Guidance Turns:
  • Turn 2: one. Choose your own adventure. It's based on classic books and the Call of Cthulhu RPG system. This is a browser-based version...
  • Turn 3: That looks good. So let's proceed to spec implementation. I would like to do number one.
  • Turn 4: For this story, I would like an original story. It should be set in the original 1920s Lovecraftian setting. Maybe something to...
  • Turn 5: PyAML sounds good. I actually would like there to be more variety. So the average gameplay should be between between 20 and 30 ...
  • Turn 6: are you alive?
  • Turn 7: are you getting stuck?
  • Turn 8: can we get a better full screen version going (so I don't have to scroll my stats? I want to just scroll the story bit of it
  • Turn 9: there are a few moments in the story where an action leads to a place in the story that kind of skips time. For example, after ...
  • Turn 11: The steps really were just number one, come up with the ideas as usual. Number two, provide some parameters for the writing sty...

Tools Executed: Bash (90), Read (23), Edit (19), Write (10), Skill (4), Agent (3), AskUserQuestion (2), SendMessage (1), ToolSearch (1)
Files Modified: prototype.toml, template.html, app.js, style.css, adventures/index.yaml, adventures/mercy-island.yaml, test_mercy_island.py