In the context of PC gaming, a "trainer" is a third-party software application designed to modify a game's memory while it is running. Unlike cheat codes programmed by developers, trainers are external programs that intercept specific data values—such as health, ammunition, or currency—and alter them to give the player an advantage.
This is the most important paragraph in this article. Battlefield 1 Trainer Fling
How to report cheating, harassment, and illegal content - EA Help What is a Game Trainer
Review a comprehensive list of all updated cheat options and version history at Metaratings Infinite Ammo: Never reload your Gewehr 98 or Automatico
Kyle didn’t answer. He teleported one last time, landing directly in front of Tommy. For ten seconds, they just stared at each other. Kyle’s character, a German stormtrooper with a gas mask, didn’t shoot. Then Tommy typed again: “My dad was a developer on this game. He died last year. We used to play this map together.”
The Messenger Speedrun: In The Runner (Gallipoli), use Super Speed to bypass the entire stealth trench sequence. You can finish the mission in under 3 minutes.