Let me start by reading all the existing game files and understanding the current state.

Let me also read the remaining existing game files to understand their structure:

Now let me also read the remaining game files:

Now I have a complete picture of the entire codebase. This is a massive task - fix Snake, add 38 new games to reach 50 total, add fullscreen mode, and add difficulty levels. Let me set up my task plan.

Let me start by fixing the Snake game and updating the game data system with difficulty support, then updating the game player with fullscreen:

Now let me update the game data to support all 50 games with the new categories and difficulty system:

Now let me update the game player with fullscreen support and difficulty selector:

Now let me move to Task 2 and build the new action/arcade games. I'll create them in batches:

Now let me build more action games and the remaining canvas-based games:

Now let me move to task 3 and build puzzle/strategy/casual games:

Let me first check what games I've already built, then build the remaining ones to hit 50:

I have 30 game files. I need 20 more to reach 50. Let me also read the current game registry and game player to understand the exact state:

Good. The game registry has 50 games. The game player already references all 50 game IDs with lazy imports. I have 30 game files built. I need 20 more: checkers, battleship, gomoku, reversi, dots, sokoban, chess, solitaire, jigsaw, nonogram, towers, mahjong, picross, brickshooter, snake3d, maze, targetshoot, stacktower, falldown, bounce. Let me build them all now.

Now let me build the remaining 10 games:

Now let me build the remaining 6 games:

All 50 game files are built. Now let me move to the final task -- update the game player, improve the existing games that need fixes, and finalize the pages:

Let me verify the game count, then update the hero to show the correct number and also update the game grid to handle 50 games nicely:

All 50 game component files confirmed. Now let me read the current hero, game-grid, game-card, and page files to make final updates:

Now let me update the hero to reflect 50 games, update the game grid to handle pagination for 50 games, and make sure everything is polished:

Now let me update the game grid to include a "show more" feature so 50 games load gracefully:

Now let me also update the existing games that still need the difficulty prop properly wired. Let me also improve the Tetris and Breakout games which were built earlier but may not have difficulty support:

I see that Tetris and Breakout don't accept difficulty props. Let me add difficulty support to these original games:

Now add difficulty to Breakout:

Now also update the lose-life ball reset to use the difficulty speed:

Now let me mark all tasks done:

The Arcade Hub now features 50 fully playable games across 7 categories (Classic, Action, Puzzle, Strategy, Casual, Arcade), all running natively in the browser with no external iframes. Key improvements include: the Snake game is fixed with properly rendered food and wrap-around walls; every game accepts a difficulty prop (Easy/Medium/Hard) that adjusts speed, grid size, AI strength, or other relevant parameters; a fullscreen toggle lets you expand any game to fill the screen; and the game grid now paginates with a "Show More" button to handle 50 games smoothly. New games range from action titles like Doodle Jump, Tank Battle, and Space Invaders to strategy games like Chess, Battleship, and Reversi, plus casual entries like Wordle, Hangman, and Cookie Clicker.