Riichi Mahjong vs Decoder Terminal

Authentic Japanese mahjong with riichi mechanics and dora tiles. - Learn how to play: Tutorials and game instructions for new players. - Multiplayer and singleplayer modes. - Multiple AIs with different play styles. - Configurable rule sets: Play with official JPML, EMA, or WRC rules. Or define your own rules. - Replay functionality: Save replays of any game. Replays can be watched with fast forward and rewind. You can also jump into play mode at any point during the replay and try to finish the hand differently. - Share replays: Share your saved replays directly from the game and send them to your friends. Open the shared replay files with the game to watch or save the replay. - Special moves: Undo your last turn, look for tiles, or flip the table! - AR Mode: Devices that support augmented reality can enable this mode to play as if on a real table. - Guess the wait: Special game mode to practice your discard reading skills. Try to guess what tiles your opponents need to win.

A secret cipher of four colored keys is hidden inside the system. You have seven attempts to crack it. DECODER is a code-breaking puzzle — a modern take on the classic Mastermind — wrapped in the aesthetic of a green-on-black decryption terminal. Lock in a guess, hit RUN, and the system reports back: • HIT — right color, right slot • NEAR — right color, wrong slot The hints never tell you WHICH slot is right. Read them, reason it out, and narrow the cipher down before your attempts run out. Crack it in four hits to breach the system. Burn all seven and the cipher stays sealed. NO LUCK. JUST LOGIC. Every cipher is solvable by pure deduction. There are no power-ups, no timers, no ads, no accounts — just you against the code. TWO CLEARANCE LEVELS • EASY · 6 colors — learn the ropes • ADVANCED · 8 colors — for hardened operators Colors can repeat, so don't assume the obvious. BUILT FOR THE CRAFT • A tactile CRT terminal interface — scanlines, glow, and a blinking cursor • Colorblind-friendly: every key carries a letter, never color alone • Honors Reduce Motion • Tracks your stats per clearance level: solve rate, current streak, and best run • Fully offline. No sign-up, no tracking, no nonsense. Read the hints. Breach the system.