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What is Blue White Flag?
Blue White Flag is a rhythm reaction game based on the Korean traditional group activity 'Cheonggi Baekgi'. Along with Dotty's cheerful voice, you need to press the correct arrow keys when words and input boxes appear on screen and are highlighted in rhythm. Identifying 'fake instructions' is the key - you must carefully listen for reversed commands like "Don't raise the blue flag, raise the white flag". Blue White Flag is made with Godot Engine, it's a free web game you can play instantly on PC and mobile browsers with no download required.
⚠️ Warning: Fake Dotty Blue White Flag Sites
The following domains are NOT official sites and may contain malicious code or viruses:
dottygame.site
Please be sure to check out this series site: bluewhiteflag.org
Blue White Flag Game Screenshots
Experience the thrilling gameplay of Blue White Flag with Dotty's cheerful voice instructions in advance through screenshots capturing various moments of the game. You can check out various difficulty levels from beginner to nuclear hell and the colorful game screens.
Start Game
Blue White Flag Challenge with Dotty
Difficulty Selection
Various Levels from Beginner to Nuclear Hell
Concentration Test
Control Flags with Quick Reactions
Score Challenge
Achieve Top Records with Perfect Timing
Compete with Friends
Challenge Friends' Skills on Leaderboard
📺 Blue White Flag Gameplay Videos
Curated Popular Gameplay Videos from YouTube
Blue White Flag Live Gameplay
Check out the fun gameplay style of Blue White Flag through actual game play
Challenge! Blue White Flag Master
Watch high difficulty Blue White Flag challenge videos and learn gameplay tips from experts
🎥 Looking for More Videos?
Search "Blue White Flag" on YouTube to check out videos from various players, and share your own gameplay videos too! Use hashtags #BlueWhiteFlag #BlueWhiteFlagGame to connect with players worldwide.
How to Play Blue White Flag Game
Understand Basic Rules
Four words and four input boxes are highlighted in sequence to the beat. You must press the key matching the word directly above when the input box is highlighted. Use arrow keys on PC, touch controls on mobile. Important: Sound is essential, so turn up volume and use earphones. iPhone users must turn on the side mute switch (ringer mode)!
Master Control Keys
Check the word directly above when the input box is highlighted. Control with ⬆️⬇️ arrow keys on PC, touch on mobile. Accurate rhythm and timing are required to score points. Focus on both visual signals and sound simultaneously.
Identify Fake Instructions
The game host sometimes tricks players with 'fake actions'. Example: You must carefully listen for negative expressions ("don't", "except") in reversed commands like "Don't raise the blue flag, raise the white flag!" You can only score by following real instructions. Difficulty: Peaceful → Normal → Hard → Nuclear Hell gets progressively harder. Score points for correct key inputs, fail for mistakes!
Blue White Flag Game Features
Game with Dotty's Voice
Dotty's cheerful voice combined with Minecraft sound effects provides addictive sound design. Created as an entry for the fan contest, receiving high acclaim from fans.
Fake Instruction Detection System
Not just a simple reaction game, but a judgment game. You must distinguish between 'fake actions' and 'real instructions', and listen carefully for negative expressions. Difficulty progressively increases: Peaceful, Normal, Hard, Nuclear Hell.
Cross-Platform Compatibility
Made with Godot Engine, fully compatible with PC and mobile browsers. Play instantly with no download or installation required - use arrow keys on PC, touch controls on mobile.
Play Instantly with No Download
Blue White Flag is a free game that runs directly in your web browser. Made with Godot Engine, it requires no download, installation, or registration and supports all modern browsers including Chrome, Safari, Firefox, and Edge. Fully compatible with both PC and mobile, play anytime, anywhere. Start now and immerse yourself in the fun of Blue White Flag with Dotty!
Blue White Flag FAQ
Q: Is Blue White Flag Game free? Do I need to download it?
A: Completely free with no download required! This game runs directly in web browsers and supports Chrome, Safari, Firefox, and Edge. Made with Godot Engine, you can play instantly just by clicking the 'Start Game' button with no installation or payment needed. The official site is dmkdev.itch.io - beware of other sites as they are unauthorized copies.
Q: There's no sound on my iPhone or iPad!
A: This is the most common problem for iOS users. Check the mute switch on the side of your device (ringer mode) - if ringer is off, game sound won't play! You must turn on the ringer. If that doesn't work, try using Chrome browser instead of Safari. Turn up the volume sufficiently and we recommend using earphones. Voice instructions are essential to the game, so sound must be audible!
Q: The sound keeps cutting out! How can I fix it?
A: Try a different browser! Testing various browsers like Chrome, Google, Naver, or Internet Explorer usually solves it. Chrome and Edge browsers are especially stable. Having too many browser tabs open can cause performance issues, so close unnecessary tabs. Updating your browser to the latest version also helps.
Q: Can I play on mobile?
A: Yes! It's fully compatible with mobile browsers using touch controls. Use arrow keys on PC, touch on mobile. Android works immediately with no special settings, and iOS just needs mute mode disabled as explained above. Supports both smartphones and tablets, and works smoothly regardless of screen size.
Q: How is the score calculated?
A: More accurate inputs to the beat build combo bonuses, and consecutive successes increase score exponentially. Pressing the correct key at precise timing earns high scores. Mistakes break your combo, so maintaining concentration is important. High scores are saved with auto-save function, but data is only maintained on the same device and same browser.
Q: Does difficulty increase automatically?
A: Yes, reaching certain scores automatically advances you to the next difficulty. Difficulty increases in order: Peaceful → Normal → Hard → Nuclear Hell, with higher levels having faster speed and more frequent 'fake instructions'. Beginners should start with Peaceful mode to learn the rhythm sense and gradually increase difficulty. With practice through repetition, even high difficulty modes become clearable.
Q: How do I distinguish fake instructions?
A: Identifying 'fake actions' is the core of the game! You must listen carefully for negative expressions ("don't", "except", "without") in reversed commands like "Don't raise the blue flag, raise the white flag". Listening carefully for negative expressions in sentences is key. Initially focus on visual signals more than sound, and practice prioritizing accurate timing over fast tempo. Advanced players should fix their hand position on arrow keys in advance to reduce reaction time.
Q: How are game records saved?
A: Auto-save function has been added so game data is saved automatically. However, data is only maintained on the same device and same browser. Be careful as records disappear if you clear browser cache or use a different device or browser. To compare scores with friends, take screenshots of game result screens and share on social media!
Q: How can I identify fake sites?
A: The official site is dmkdev.itch.io. All other sites that are not this one are fake sites that have stolen the game without permission. They may have hacking, viruses, financial scams and other problems, so never access them. The list of discovered fake sites includes bluewhiteflag.com, dottygame.site, etc. Always play only on the official itch.io page!
Q: Does the game get updated? Are new features added?
A: Developer dmkdev is continuously updating through the 'Update Until Dotty Plays' project. Recent updates: 1) Auto-save function added (data maintained on same device, same browser) 2) Two speed modes added (high difficulty challenge) 3) Two new word types added (increased game variety). You can check for update news on the official itch.io page.
Q: What's the background story of Blue White Flag?
A: This game was an entry for the fan contest. It was created by developer dmkdev using Godot Engine with permission from the original creator of the music and video.
Birth and Evolution of Blue White Flag
Born from Fan Contest Entry
Blue White Flag was an entry submitted to the fan contest. Developer dmkdev created it using Godot Engine with permission from the original creator of the music and video.
Web-Based Rhythm Game
Made with Godot Engine, playable instantly on PC and mobile browsers with no download. Dotty's voice combined with Minecraft sound effects adds rhythm game elements.
Continuously Being Updated
Continuously evolving through the 'Update Until Dotty Plays' project. Auto-save function, 2 speed modes, 2 new word types and more have been added.
Blue White Flag Official Update History
🟢 Auto-Save Function Added (Latest Update)
Game data is automatically saved so you can continue playing later. High scores and progress are saved in the browser, but data is only maintained on the same device and same browser. Be careful as records disappear if you clear browser cache. Added in Update Until Dotty Plays Round 2 update.
🟢 2 Speed Modes Added (High Difficulty Challenge)
Two extremely challenging high-difficulty speed modes have been added! An extreme challenge for players familiar with the base game, requiring faster speed and reactions. A new mode that tests expert skills and makes high score competition even fiercer. Added in Update Until Dotty Plays Round 1.
🟢 2 New Word Types Added (Extremely Tricky)
Two extremely tricky new word types have been added to increase game variety. New trap commands that confuse players familiar with existing patterns, simultaneously increasing both fun and difficulty. Concentration and judgment have become even more important. Update Until Dotty Plays Round 1 update content.
Advanced Strategies for Blue White Flag Mastery
Focus on Visual Signals First (Beginner Tip)
Initially focus on visual signals rather than sound. Words and input boxes that appear on screen are highlighted to the beat, so it's good to watch these first. As you get familiar, you'll gradually be able to process sound and visuals simultaneously. The key is practicing accurate timing over fast tempo.
💡 Focus on accuracy over speed in the beginning
Listen Carefully for Negative Expressions in Fake Instructions (Advanced Strategy)
For 'fake instructions', listening carefully for negative expressions in sentences is key. You'll make mistakes if you miss words like 'don't' in "Don't raise the blue flag, raise the white flag". Pay special attention when negative expressions like "except" or "without" appear. These trap commands are the main obstacle to high scores.
💡 Focus your ears on negative expressions ('don't', 'without', 'except')
Fix Your Hand Position on Arrow Keys in Advance
To reduce reaction time, fix your hand position on arrow keys in advance. On PC, keep fingers on ⬆️⬇️ arrow keys, on mobile keep both thumbs ready on touch areas of the screen. You can react immediately without moving your hands, which is very helpful in high-speed sections.
💡 Fixing hand position doubles your reaction speed
Learn Beat Sense (Repetition Practice)
With repetition practice to learn beat sense, even high difficulty modes become clearable. When you get familiar with the game's rhythm and patterns, your hands will move automatically. Playing 5-10 times adapts you naturally to command types and timing. Once muscle memory forms, instinct is faster than thought.
💡 Practicing consistently even briefly each day greatly improves skills
Warm Up with Peaceful Mode
Warm up with Peaceful mode before serious gameplay. Difficulty increases: Peaceful → Normal → Hard → Nuclear Hell, and learning the feel in early modes reduces mistakes when entering high difficulty. Starting suddenly with difficult modes leads to easy frustration, so challenge step by step.
💡 Always start from easy difficulty to warm up your body
Comprehensive Blue White Flag Master Blueprint
Perfect Your Beat Sense in Peaceful Mode
Difficulty increases: Peaceful → Normal → Hard → Nuclear Hell. You must perfectly learn beat sense and timing in Peaceful mode. Practice sufficiently the pattern of 4 words and 4 input boxes being highlighted in sequence on screen. You're ready for the next step when you can pass early modes with 100% accuracy.
⭐ You must perfectly master Peaceful mode to enter high difficulty
Build Fake Instruction Detection Ability
Fake instructions like "Don't raise the blue flag, raise the white flag" are the core of the game. You must listen carefully for negative expressions ('don't', 'without', 'except'). When these trap commands appear, take 0.5 seconds more leeway than usual to think before reacting. Missing negative expressions while reacting hastily is very common. Listening carefully for negative expressions in sentences is the key strategy for high scores.
⭐ When you hear negative expressions, think one beat more and act carefully
Repetition Training to Overcome Speed Modes
The 2 extremely challenging speed modes are extreme challenges for experts. To clear these modes, you must completely familiarize your body with patterns through dozens of repetitions. With almost no time to think, you must rely on unconscious reflexes. Once muscle memory forms, your hands will react automatically. At high speed, instinct is much faster than thought!
⭐ Form muscle memory through repetition - play speed modes with instinct
Blue White Flag Game Modes by Difficulty
Peaceful Mode (Recommended for Beginners)
The easiest difficulty, good for learning game rules and beat sense. Slow speed and few fake instructions give enough time to hear commands. You can slowly practice the pattern of 4 words and 4 input boxes being highlighted in sequence on screen. First-timers should start with this mode to learn timing sense.
Low speed, Few traps, Learning-focused, Beginner-friendly
Normal/Hard Mode (Progressive Difficulty)
Intermediate difficulty to challenge after mastering Peaceful mode. Speed gradually increases and fake instruction frequency rises. Listening carefully for negative expressions ('don't', 'without', 'except') is key, and judgment and concentration become important. Reaching certain scores automatically enters Hard mode, improving skills step by step.
Medium speed, Increased fake instructions, Judgment training, Gradual growth
Nuclear Hell & Speed Modes (Extreme Challenge)
The highest difficulty modes for experts. Nuclear Hell mode demands extreme concentration with very fast speed and frequent fake instructions. The 2 'extremely challenging' speed modes have almost no time to think, requiring reliance on muscle memory. Clear these modes and you're a true Blue White Flag master!
Maximum speed, Extreme difficulty, Reflex limits, Expert only