Paper Baseball is a 1v1 number deduction game based on the classic Bulls & Cows ruleset. You and the AI take turns guessing each other's secret numbers using Strike/Ball feedback. Crack your opponent's number in fewer turns to win! How to Play Strike – Right digit, right position Ball – Right digit, wrong position Out – Digit not in the number at all Game Modes 3-Digit Mode – Quick, light matches 4-Digit Mode – The classic experience with deeper strategy Difficulty Easy – Confirmed strike positions are revealed as a hint Normal – Standard rules, fair and balanced Hard – The AI plays optimally using a minimax algorithm; duplicate digits allowed Stats & Achievements Track your win rate, best clear turns, and total playtime. Unlock achievements to prove your mastery.