1620 Trainer: Batman Arkham Knight

You're referring to a trainer for Batman: Arkham Knight!

Conclusion

Always open the trainer executable before or during the game’s main menu. Activation: batman arkham knight 1620 trainer

"Batman, your belt is discharging randomly!" Oracle warned. "I’m reading massive thermal spikes from your gauntlets. What are you doing?" You're referring to a trainer for Batman: Arkham Knight