Codebreaker vs DEBUGGER

Ever wanted a fair game of Codebreaker with your kids, grandkids, or someone far less experienced? Now you can. In casual direct challenges, each player can face a different difficulty. You might solve 6 digits in base 16 while they solve 3 digits in base 10. Same match, same rules, but both players get a real challenge. Nobody has to pretend. Ranked play is the opposite. Both players always face identical settings, so every match is a fair fight. Win and climb the global Elo ladder from Bronze to Diamond. Play against friends, other players, AI, or on your own. Take turns guessing the secret code. Every guess is marked: • X = correct digit in the correct position • O = correct digit in the wrong position Every clue stays on the screen. What you do with the information is the whole game. PLAY OFFLINE • Challenge the AI across five difficulty levels: Easy, Medium, Hard, Master, and Adaptive. • Easy plays like a beginner and can lose track of earlier clues. • Medium and Hard progressively improve their deduction. • Master plays the strongest game the solver can manage. • Adaptive learns from your recent results and adjusts to your level. • Solve a new deduction puzzle every day. • Browse a full archive of 30 past daily puzzles. • Generate unlimited practice puzzles. • AI matches and practice puzzles work with no internet connection. PLAY ONLINE • Ranked matches affect your Elo rating and use identical settings for both players. • Unranked matches let you play with nothing on the line. • Unranked direct challenges let each player set their own difficulty, so players of very different skill levels can still have a competitive game. • Choose optional turn timers: Relaxed, Standard, Speed, Blitz, or no clock at all. • Get push notifications for challenges and tap Rematch as soon as a game ends. • All players share the same global ladder and community. RANKING • Beat stronger players to gain more Elo. • New players begin provisional so the system can quickly place them. • Climb through Bronze, Silver, Gold, Platinum, and Diamond. • Track your place on the global leaderboard and review your full match history. SET YOUR DIFFICULTY • 3 to 7 digits • Bases 5 to 16 A 3-digit base-8 code is a warm-up. A 7-digit base-16 code is a genuine problem. BUILT-IN NOTEPAD Track your reasoning without paper. Mark digits as confirmed or ruled out, and pin them to positions as you narrow down the code. ACHIEVEMENTS Unlock 26 badges across four categories: • Puzzle — daily streaks from a week to a full year • VS AI — AI Crusher for beating Master difficulty • Online — Hat Trick for three wins in a row, plus tier badges at Gold, Platinum, and Diamond • Career — long-haul totals across everything you play RETRO TERMINAL STYLE The whole game is styled like a computer terminal from 1983. FREE TO PLAY Play offline on your own, or sign in with Google, Apple, or email to play online, climb the leaderboard, unlock achievements, and keep your progress across devices. Whether you want a quick puzzle, a fair match with family, or a climb toward Diamond, there is always another code to break.

■ It looks like a terminal. That's the point. Black screen. Neon green text. System logs scrolling forever. CPU load and memory pressure climbing. To anyone glancing over your shoulder on the train, you are debugging a complex production system. What you are actually doing is connecting three or more matching symbols. ■ How it plays You are an incident response engineer covering 16 data centers around the world. - Pick a degraded node on the world map - Travel there (the farther it is, the longer it takes) - Patch the bugs on site (that's the puzzle) - Earn experience and move to the next incident (credits arrive on promotion) Tokyo, Seoul, Singapore, Frankfurt, Sao Paulo, Cape Town and more. Travel time is derived from real geographic distance, so crossing the planet actually costs you time. ■ Three numbers are trying to kill you While you work, three resources keep rising: - CPU — above 72% sectors of the board freeze and become unusable - MEM — clearing five or more at once brings it down hard. Small clears barely dent it - TRACE — accelerates the higher CPU and MEM get. This is your real timer If any of them hits 100%, the session is lost. Clearing three at a time will never outrun the load. You have to build bigger COMBOs, and land them fast enough to hold the CHAIN multiplier. ■ Fatigue, and the engineer ladder Deploying and traveling makes you tired. Fatigue only recovers in real time, and going in exhausted means starting from a worse baseline. Knowing when to rest is part of the game. Patching bugs earns experience and promotions: INTERN, ENGINEER, SENIOR, STAFF, PRINCIPAL, DISTINGUISHED, FELLOW — and beyond. The final rank is SINGULARITY at level 85. Restore all 16 nodes and the world is reinfected at a higher severity. It does not end. ■ Compete monthly Register a handle and you appear on the global leaderboard — by experience earned, by best COMBO, and by incidents contained. It resets every month, so a late start is never a lost cause. Registration is optional. ■ Escalations Eight times a day, one site escalates. Containment takes three passes and the site relocates after each one. Each escalation has its own rule for what counts as progress, and the briefing tells you before you commit. ■ Languages The interface is English — it has to read as a terminal. The manual and the daily orders are also available in Japanese. It follows your device language, and you can switch it from the profile screen. ■ Made for - Short sessions with real pressure - Not wanting to look like you are playing a game in public - People who like black terminals ■ Ads and purchases Free to play all the way through. Ads are mostly opt-in — watch one to skip travel time or recover fatigue, only when you choose to. A one-time PRO license removes ads permanently.