**Planning browser game development** I need to create a polished, playable browser game based on Snake, focusing on improving graphics with each apple collected. The response should include all necessary code—HTML, CSS, and JavaScript—within one block, as I want to keep it self-contained without any external references. It’s essential to ensure robust, evolving visuals for each apple. I should avoid mentioning iframes and aim for a responsive UI with clear progressive graphics. Ultimately, my answer will be only the HTML code with a brief explanation.**Designing a polished canvas game** I’m working on creating an actual canvas game that is responsive to both keyboard and touch inputs. The interface needs to be polished, with smooth transitions and escalating visual effects for every apple collected. I envision starting with a pixel monochrome style, progressing through retro arcade neon to glossy cinematic aesthetics. The game will have staged tiers, with each apple not just improving graphics but also adding distinct visual features. The UI should clearly communicate changes, showcasing the evolution in style, all while maintaining a sleek, dark premium arcade feel.**Developing progressive graphic upgrades** I'm starting with a 1-bit monochrome theme for the game, using dark slate for the board and a pixel snake in lime green, maybe even gray. With each apple collected, I plan to introduce various upgrades: a touch of color with a moss green pixel and red apple, followed by features like rounded segments, shading for depth, smooth motion, glowing effects, and ambient particles. My goal is to create up to 12 continuous upgrades for a dynamic visual experience, while keeping the board size manageable with a speed that provides an engaging gameplay duration. ```html Snake / Evolve

THE CLASSIC, RE-RENDERED.

Eat. Grow. Evolve.

Every apple upgrades your graphics. How far will you go?

YOUR MOVE

Swipe the board,
or take the controls.

THIS RUN

00apples

PERSONAL BEST00

LENGTH 05 SPEED 1.0×

GRAPHICS ENGINELIVE

00

1-bit origins

Just pixels. A very humble beginning.
There’s a whole world ahead.

ORIGINAL00 / 10ULTRA

NEXT APPLE UNLOCKSA full color palette

THE GLOW-UPAPPLES

1-bit beginnings00
Color arrives01
A new dimension03
Neon nights05
Prismatic skin07
Hello, ultra.10

```

Build a polished, playable browser game: Snake game but grap...