Dangerous Dave platformer · deepseek-r1-0528
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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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.
thinking
We are going to create an index.html file that contains a canvas-based platformer game. The game will have: - A player (Dangerous Dave style) that can move left/right and jump. - Enemies that move back and forth. - Hazards (fire, water) that kill the player on contact. - A trophy that the player must collect before reaching the exit. - Procedurally generated graphics (using canvas drawing, no external assets). The game structure: - HTML: a canvas element and a script tag. - CSS: minimal styling to center the canvas. - JavaScript: game logic including rendering, physics, and controls. We'll break down the JavaScript into parts: 1. Constants and configuration (tile size, colors, etc.) 2. Game state: level map, player position, enemy positions, trophy collected, etc. 3. Asset (graphics) creation: functions to draw tiles, player, enemies, hazards, trophy, and exit. 4. Input handling: keyboard controls for movement and jumping. 5. Game loop: update and render. 6. Collision detection. Since we cannot load external assets, we use canvas to draw everything. Let's design a simple level as a 2D array of tile types: Tile types: - 0: empty - 1: solid block (platform) - 2: hazard (fire or water) - 3: trophy - 4: exit (only active after trophy is collected) - 5: enemy (we can have multiple, but in the tilemap we mark the starting positions) We'll also have entities (player and enemies) that are not stored in the tilemap, but we store their positions. Steps for the game loop: - Process input. - Update player and enemies (apply gravity, movement, collisions). - Check for trophy collection and exit condition. - Render the level and entities. We'll design one level for simplicity. We'll write index.html in one go, including HTML, CSS, and JavaScript. Important: The game must be self-contained in one file.
I'll create a single HTML file with a canvas-based platformer game featuring all requested elements. Here's the implementation plan: 1. Create a canvas for rendering the game 2. Implement player movement (left/right with acceleration/deceleration) 3. Add jumping with gravity and collision detection 4. Design a tile-based level with hazards 5. Create simple enemies with patrol behavior 6. Add collectible trophy and exit functionality 7. Include procedurally generated graphics for all elements Let me build the complete game in index.html:
/tmp/ws/index.html (19252 bytes)Successfully wrote 19252 bytes to /tmp/ws/index.html
thinking
We have built a complete single-page platformer game in the style of Dangerous Dave. The game includes: - A player that can run and jump with arrow keys and spacebar. - Two enemies that move back and forth. - A trophy to collect that activates the exit. - Hazards (fire and water) that kill the player. - Three lives, and game over when lives are exhausted. - Victory condition when the trophy is collected and the player reaches the exit. - Full procedural drawing of all elements (player, enemies, trophy, hazards, tiles). The game runs in a canvas with the dimensions 800x600. We have written the entire game into index.html with inline CSS and JavaScript. We are done.
I've created a complete tile-based platformer in the style of Dangerous Dave. The game features: 1. A player character that can run left/right and jump using arrow keys + spacebar 2. A level with platforms, hazards (fire and water), and two enemies 3. A trophy to collect before reaching the exit 4. Lives system with 3 attempts 5. Procedural graphics generated entirely within the browser 6. Collision detection with platforms, hazards, enemies, and level boundaries The game runs in a single self-contained HTML file with all: - CSS styling for the retro look - Canvas rendering for graphics - Game logic including physics and collision detection To play: 1. Use left/right arrow keys to move 2. Press spacebar or up arrow to jump 3. Collect the trophy before reaching the exit 4. Avoid enemies and hazards 5. You have 3 lives to complete the level The game includes proper win/lose conditions and will display victory or game over messages. Enjoy your adventure! The index.html file is now ready in your current directory.
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
EVALUATION
Tile platformer with player, coins, trophy, enemies; player moves slightly with input but level layout mostly static.
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.