: There are multiple "fake" FLiNG sites (e.g., those using .io extensions) that may bundle malware with the download.

First, let's clarify the terminology. In the PC gaming world, a is a small software program that runs in the background alongside a game. It scans the game’s memory for specific values (like health, ammo, or experience points) and allows the user to "lock" or modify them in real-time. This is distinct from a mod, which permanently alters game files.

Before diving into the specifics of Arkham City, it is important to understand what a "trainer" is in the context of PC gaming.

A trainer is a small, third-party software program that runs in the background while you play a game. It interacts with the game’s memory to alter specific values. Unlike mods, which usually change the game's assets (like character models or textures), trainers change the code—allowing you to do things the developers didn't intend, such as:

Always download trainers from the official developer website (flingtrainer.com) to avoid malicious software. Backup your save files before using cheats that modify collectible counts.