Anti-Cheat Expert (ACE) has faced criticism for its use of kernel-level access in its anti-cheat technology. Kernel-level access grants the software the highest level of control over a user's system, which has raised significant security and privacy concerns among critics and cybersecurity experts. Critics argue that this level of access increases the risk of data misuse and security vulnerabilities. Despite these concerns, ACE is widely used across numerous games, including
Delta Force (2025 video game) and
Honor of Kings, where it provides security solutions to combat cheating and improve fair play. It's been reported that games using Anti-Cheat Expert blocks
Desktop Linux from running, but allows the
Steam Deck. == Games using Anti-Cheat Expert ==