Arcade games, particularly online web-based versions, are frequent targets for automated bots that aim to exploit gameplay for high scores or in-game rewards. To combat this, developers employ a variety of anti-bot mechanisms. One of the most recognizable is the CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart). These tests require users to identify objects, type distorted text, or solve simple puzzles, tasks that are easy for humans but challenging for bots. Another common technique is behavioral analysis. This involves monitoring user interactions, such as mouse movement patterns, click speed, and keystroke dynamics. Bots often exhibit perfectly consistent or superhumanly fast inputs, which can be flagged as suspicious. Rate limiting is also a fundamental defense. By restricting the number of actions a user can perform in a given time frame (e.g., starting a new game every 10 seconds), this mechanism prevents bots from spamming the game servers. Furthermore, many games utilize cryptographic challenges. The game client might be required to solve a small, unique computational problem before a request is processed, adding a cost for bots that make thousands of requests. Finally, obfuscation and integrity checks are used to protect the game's code itself. The code is often minified and encrypted to make it harder for bots to analyze and reverse-engineer, while checks can detect if the code has been tampered with. These combined layers of security help ensure a fair and enjoyable experience for human players.