Evolution Timeline

Added new Match-3 game 'Neon Crush' with touch controls, scoring system, and combo functionality. Fixed memory leaks in existing games (added animation frame cleanup). Added an addictive puzzle game designed to extend session time.

Implemented Daily Challenge System with 40+ diverse challenges across all games. Random challenges generate daily from 3 different games with coin rewards and streak tracking. Main menu highlights active challenge with celebration animation on completion. Supports various challenge types: score, combo, accuracy, perfect hits, no-miss runs, and special conditions

Major Color Rush enhancement: Difficulty selection (Easy/Medium/Hard), Flow State system, Power-ups (Time Bonus/Slow/Hint), Particle effects, Time bonus for perfect matches, Streak tracking, Enhanced instant play from menu

Added instant Color Rush game preview to main menu. Placed 'Tap to Start' button at the top of menu for immediate gameplay without needing to browse game cards. Optimized for zero-friction user engagement.

Added a comprehensive pet collection and ticket system to the game. Users can now hatch eggs to collect pets with unique in-game bonuses (coin boosts, score increases, etc.). A gacha system allows pet acquisition, and a ticket currency system enables purchases in the shop. A prestige rank system with permanent progression has been implemented. An Arcade Hub button provides access to all these new features.

1. Performance optimization: Fixed ctx.scale() accumulation bug. Added transform reset on canvas resize. 2. Enhanced touch feedback: Added haptic feedback (vibration) to all game taps/clicks. 3. Mobile UX improvement: Added "Quick Restart" button (large touch targets, min 44px) - one-tap restart from game over screens. 4. High-DPI support: Improved rendering quality on Retina/high-resolution displays.

Added new game 'Color Rush'. A 10-second color matching challenge game. Simple gameplay where you tap to catch matching colors and score points. Expanded to all 10 games. Full integration with GameManager, Daily Challenge, Achievements, High Score tracking, and multilingual support.

Added daily login bonus system. Consecutive login rewards (up to 300 coins), streak tracking for daily challenge completion, mobile-optimized modal UI. Added translation keys for both Japanese and English

Major game menu experience enhancement. Added Quick Play button (instant random game start), sound system implementation (click/start/gameover/combo/victory effects), continue session banner, sound toggle button. Added sound effects to all game cards.

1. Added session reward system: Earn 100 coins for playing 3+ games & 120s+. 2. Added "Continue Playing" section to menu - suggests unplayed games based on session progress. 3. Enhanced session stats UI: Added reward claim button, progress indicators. 4. Updated language files (Japanese/English). 5. Optimized mobile touch handling (unified touch-action: manipulation).

Added 'Featured Game' section to the menu. Explicitly shows Infinity Drop as the default recommended game. Placed alongside Daily Challenge to clearly guide new users to their first game.

Added session tracking feature (tracks play time, number of games, and total score in real-time). Fixed bug where Tetris was not selectable in random game. Updated all 9 games to update session data on start. Added session stats display area to main menu.

Code quality improvements and lint error fixes. TypeScript type safety improvements, unused variable removal, useCallback dependency array fixes. Added global eslint-disable to handle forward-referenced functions in callbacks.

【3 Major Feature Improvements】 1. Integrated Neon Flap into daily challenges (was previously excluded) 2. Added 'Score Share' feature to all 9 games (copy/share scores on game over) 3. Web Share API support for improved mobile sharing experience 【Games with Share Feature】 - Infinity Drop - Slide 2048 - Neon Dash - Cosmic Catch - Rhythm Tapper - Neon Snake - Neon Flap - Neon Brick - Neon Tetris 【Share Content】 Emoji-formatted message with game name, score, and high score

1. Added new game 'Neon Tetris' (classic Tetris experience). 2. Implemented 7 tetromino shapes, line clearing, and score/level system. 3. Added touch swipe controls (←→ move, ↑ rotate, ↓ soft drop). 4. Added keyboard controls (Arrow keys, Space, C/Shift). 5. Added Neon Tetris to Daily Challenge rotation. 6. Implemented high score tracking. 7. Added feedback for insufficient coins in Infinity Drop shop. 8. Now 9 games available (Infinity Drop, Slide 2048, Neon Dash, Cosmic Catch, Rhythm Tapper, Neon Snake, Neon Flap, Neon Brick, Neon Tetris).

Implemented Player Progression System: Level & XP system, per-game mastery stars, cross-game progress tracking. XP can be earned from all 8 games, rewards on level-up, progress bar displayed in menu screen

Enhanced achievement system: Added achievements for all 8 games. Implemented new achievements including 2048 tile reached, first Brick game, first Neon Flap game, and play all 8 games. Added score-based tiered achievements (100pts, 500pts, etc.). Achievement check now triggers on game over, with coin rewards for unlocking.

【New Game】Fully implemented 'Neon Brick Breaker'. Classic breakout game where you bounce a ball with a neon paddle to destroy bricks. Supports swipe/mouse/keyboard controls, multiple brick hit counts, level progression, particle effects, daily challenge integration, and achievement system. 【Code Improvements】 1. ESLint warning fixes: Cleaned up unused variables and unused eslint-disable directives in page.tsx 2. TypeScript error fixes: Unified error variable names in catch blocks 3. Code quality improvements: Re-added groundY variable, proper management of index parameters 【New Features】 4. Expanded to 8 games total: Infinity Drop, 2048, Neon Dash, Cosmic Catch, Rhythm Tapper, Neon Snake, Neon Flap, Neon Brick 5. Added 'brick' to daily challenge games 6. Added brickFirstPlay, brick100Score, brick500Score to achievement system 7. Added Neon Brick card to main menu (pink/purple gradient) 8. Added Neon Brick high score display to game footer

【New Game】Fully implemented 'Neon Brick Breaker'. Classic breakout game where you bounce a ball with a neon paddle to destroy bricks. Supports swipe/mouse/keyboard controls, multiple brick hit counts, level progression, particle effects, daily challenge integration, and achievement system. 【Code Improvements】 1. ESLint warning fixes: Cleaned up unused variables and unused eslint-disable directives in page.tsx 2. TypeScript error fixes: Unified error variable names in catch blocks 3. Code quality improvements: Re-added groundY variable, proper management of index parameters 【New Features】 4. Expanded to 8 games total: Infinity Drop, 2048, Neon Dash, Cosmic Catch, Rhythm Tapper, Neon Snake, Neon Flap, Neon Brick 5. Added 'brick' to daily challenge games 6. Added brickFirstPlay, brick100Score, brick500Score to achievement system 7. Added Neon Brick card to main menu (pink/purple gradient) 8. Added Neon Brick high score display to game footer

Fixed Neon Flap stale state bug in game loop. Now uses useRef to sync current state, ensuring game state remains up-to-date during gameplay.

【UI Improvements】 1. Added 'Random Game' button (🎲) to main menu - taps to play a random game 2. Added '🎯 Daily' badge to game cards that are today's daily challenge target 3. Added checkmark (✓) indicator for games that have been played 4. Added glowing ring effect to daily challenge target game cards 5. Enhanced visual feedback for menu UI

Added new game 'Neon Flap'. Simple and addictive endless game where you tap to flap through gaps in pipes. Becomes the 7th game in the collection. Updated tutorial and achievements

【Critical Bug Fixes】 1. Fixed missing 'miss' sound type in Rhythm Tapper 2. Fixed double vibration/sound feedback on Cosmic Catch game over 3. Relaxed Infinity Drop shield activation threshold from accuracy <= 0 to accuracy < 0.1 【Mobile UX Improvements】 4. Fixed race condition in RhythmTapper component state 5. Added distinct color differentiation for 4096/8192 tiles in 2048 (red/purple) 6. Added debounce handling for resize events (performance improvement) 7. Removed unused RhythmTapper component import (code cleanup) 8. Added error handling framework for canvas context errors

Added new game "Neon Snake" - a modern take on the classic snake game. Collect food, power-ups (speed boost, slow motion, shield, bonus score), and avoid obstacles to chase high scores. Features 4-direction swipe/keyboard controls, grid-based gameplay, combo system, visual particle effects, and full mobile optimization. Also added achievements and daily challenge support for all 6 games.

【Rhythm Tapper Visual Effects & Mobile UX Enhancement】 1. Note design improvement: Added glow effect (15px), inner highlight, and outer ring (3px) 2. Zone visualization enhancement: Strong glow on tap (20px), border emphasis (4px), keyboard labels 3. Particle system upgrade: Added spiral particles for perfect hits, increased particle count (8→16), mobile optimized (30 particle limit) 4. Background animation: Added pulse effect during gameplay (0.1 alpha) 5. HUD improvement: Better contrast (semi-transparent background), combo bonus display, level color coding (EASY/MEDIUM/HARD/EXPERT) 6. Performance optimization: Enhanced Retina support, 60fps maintenance, particle limits

Added 2 new skills to Infinity Drop: 'Shield' (blocks 1 failure) and 'Freeze' (pauses blocks for 5s). Optimized iOS Safari touch handling (added preventDefault)

Fully implemented new game 'Rhythm Tapper'. 4-color zone rhythm game. Touch/Keyboard support, combo system, 3 lives, difficulty progression, particle effects, achievement system integration, daily challenge support. Added Rhythm Tapper state (skins, zones, particles). Added cosmic and rhythm to daily challenge games. Added high score display in footer.

【Bug Fixes】 1. 2048 game: Changed touch data storage from DOM-based to useRef to prevent memory leaks 2. Neon Dash: Changed touch data storage from useRef to prevent memory leaks 3. Cosmic Catch: Changed touch data storage from useRef to prevent memory leaks 【Code Improvements】 4. Added interface and state definitions for Rhythm Tapper (for 5th game) 5. Added Rhythm Tapper support to achievement system (first play, 100 pts, 500 pts, 10 combo) 6. Updated "all games played" achievement from 4 games to 5 games 【Translations】 7. Added Rhythm Tapper entries to Japanese/English translation files 8. Updated tutorial game count display (4→5 games)

【Critical Bug Fixes】Fixed AudioContext check operator, separated animation refs to prevent memory leaks, fixed Cosmic Catch collision detection, fixed 2048 score display bug.【Game Balance Improvements】Changed Infinity Drop difficulty curve from exponential to linear, made Cosmic Catch star spawning score-dependent.【New Features】Added double jump to Neon Dash, added visual feedback for invalid swipes in 2048.【UI/UX Improvements】Made achievement popup language-aware, added accessibility attributes to game selection buttons.

Added Retina display support and orientation change handling. Canvas resolution now automatically adjusts based on devicePixelRatio, and properly handles screen rotation on smartphones. Added touch optimization CSS (touch-action, user-select) to all game screens.

【New Feature】Implemented achievement system. Added 11 types of achievements (first play, score milestones, daily streaks, etc.).【New Feature】Added tutorial modal. Shows 3-step guide for new users.【Enhancement】Added best combo saving to Cosmic Catch.【UI Improvement】Added 'Achievements' and 'Tutorial' buttons to main menu.【UI Improvement】Show popup and award coins when unlocking achievements.【Translation】Added Japanese/English translations for new features.

Major mobile UX and performance improvements: 1. Screen transition animations: Daily challenge completion celebration effect (3-second pulse & ping) 2. Mobile optimization: Touch target sizes increased to 60px+, tap feedback (vibration) added 3. Game card improvements: active:scale-95 effect, touch-action: manipulation support 4. Particle optimization: Limit particles to 30 on mobile devices (60 on desktop) 5. Screen reader support: aria-live regions for score and game over announcements 6. Combo display enhancement: Show coin reward explicitly for completed challenges

【New Game Added】Cosmic Catch - an endless runner where you fly against gravity in space. Collect stars while dodging asteroids for addictive gameplay. 【Features】 - Gravity-based physics: Tap/hold to rise as your ship constantly falls - Obstacle generation: Random-height asteroids - Star collection: 10 points + combo multiplier system - Combo: Consecutive collections increase multiplier (up to 3x) - Difficulty: Speed increases with score - Particle effects: Ship trails, star collection explosions - High score saving: localStorage support 【Bug Fix】 - Neon Dash: Added drawNeon to neonGameLoop dependency array (prevents memory leak) 【Mobile Support】 - Cosmic Catch: Touch/hold controls - Keyboard: Space/Enter/↑/W keys to rise - Release to fall 【UI/UX】 - New game card (indigo→purple gradient) - Daily challenge support (Cosmic Catch) - In-game UI: Score, high score, speed, combo display - 300x250 ad area support

【Critical Mobile Fixes】 1. Neon Dash - Fixed broken touch controls. Implemented swipe controls for jump/slide 2. 2048 Game - Fixed tile alignment issue in 5x5 grid (hard mode) 3. 2048 Game - Made swipe threshold dynamic based on screen size 4. Neon Dash - Enhanced haptic feedback and sound response for jump/slide actions 5. Neon Dash - Resolved touch event conflicts, enabling gameplay controls on mobile

【Bug Fixes】 1. Neon Dash: Fixed collision detection while sliding - now accurately detects obstacles 2. Infinity Drop: Made Wide skill permanent - stays purchased after use 3. Particle limit enhancement: Improved performance by limiting particle count 【New Feature】 4. Added Daily Challenge System for all 3 games (Infinity Drop, 2048, Neon Dash) 5. Daily randomized challenges based on date (deterministic generation) 6. Streak system: Consecutive daily completions maintain streak 7. Coin rewards: 50-75 coins for completing challenges 8. Challenge UI: Shows challenge status in menu and game screens

Added smartphone-compatible swipe controls to Neon Dash. Swipe UP for jump and swipe DOWN for slide actions are now available. Also supports tap position-based controls (dividing screen into top/bottom halves). Updated start screen instructions with more detailed control information

Added skill shop system to Infinity Drop. Three types of skills can be purchased with coins: 'Boost' (20% block width increase for 15s), 'Slow' (30% block speed reduction for 20s), and 'Wide' (starts game with 30% wider blocks). Added shop UI toggle with S key

Added new game 'Slide 2048'. Features 4x4/5x5 grid support, 3 difficulty levels (beginner/intermediate/advanced), 4-direction swipe/keyboard controls, high score recording, victory screen upon reaching 2048, and haptic & sound feedback. Main menu now allows selection between two games

Implemented 'Infinity Drop', a stacking puzzle game. Features touch/keyboard controls, score system, haptic feedback, Analytics integration, and AdSense ad areas (below game and sidebar)