Arcade game developers employ several strategies to ensure replayability in single-player experiences, keeping players engaged long after their first playthrough. One key method is dynamic difficulty adjustment, where the game adapts to the player's skill level, offering a balanced challenge. Procedural generation is another popular technique, creating randomized levels or obstacles to provide fresh experiences each time. High-score systems and leaderboards encourage competition, motivating players to improve their performance. Additionally, unlockable content, such as characters, levels, or power-ups, rewards repeated play. Finally, tight, responsive controls and satisfying core gameplay loops ensure that the fundamental experience remains enjoyable, no matter how many times it's repeated. By combining these elements, developers craft single-player arcade games that players return to again and again.