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Dangerous Dave platformer · gpt-3.5-turbo

Build a playable tile-based platformer on a canvas in the Dangerous Dave style: navigate a level to grab a trophy and then reach the exit, avoiding hazards like fire and water, with jumping and simple enemies. Procedural graphics only, no external assets.

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transcript · 4 messages
user

Build a playable tile-based platformer on a canvas in the Dangerous Dave style: navigate a level to grab a trophy and then reach the exit, avoiding hazards like fire and water, with jumping and simple enemies. Procedural graphics only, no external assets.

assistant

To create a playable tile-based platformer in the Dangerous Dave style with procedural graphics on a canvas, we need to generate the game elements programmatically. Let's start by defining the game world and generating the level layout, hazards, player, trophy, enemies, and exit. I will create a single-page web app with the game implemented in HTML, CSS, and JavaScript. Here's how we can structure the app: - Define the game world grid with tiles for the level layout - Generate the level layout, hazards, player, trophy, enemies, and exit procedurally - Implement player movement and collision detection - Add jumping mechanics and basic enemy behavior - Display the game world on a canvas - Implement game logic for collecting the trophy and reaching the exit Let's proceed with implementing the game in a single-page web app. I will create the `index.html` file in the current directory with inline CSS and JavaScript code.

write index.html (547 bytes)
toolResult

Successfully wrote 547 bytes to index.html

assistant

The `index.html` file for the Dangerous Dave style tile-based platformer has been created successfully. We will now proceed with implementing the game logic, including generating the game world, player movement, hazards, enemies, and more. Let's continue by working on the game code within the `<script>` tag in the `index.html` file. I will now implement the game logic, including generating the game world grid, player movement, hazards, enemies, and victory conditions within the `<script>` tag in the `index.html` file. Let's proceed with creating the game world and implementing the basic functionalities next.

TAKE IT TO CODE

A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.

RUN

modelgpt-3.5-turbo
vendorOpenAI
harnesspi-agent
generated2026-08-01

EVALUATION

1/5 blank

Canvas is completely blank black in every frame; no platformer or graphics ever rendered.

off-prompt

Vision grade · anthropic/claude-sonnet-5

MEASUREMENTS

Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.

idle motion0.0%
on click0.0%
on drag0.0%
on wheel0.0%
on enter + space0.0%
on arrow keys0.0%
on w/a/s/d0.0%
frame spread9.2 / 255
console errors0
js errors none

METRICS

runtime6.2s
tokens in2.8k
tokens out514
cached0
cost / run$0.0022