The game operates on a "Rundown" system—a series of missions (80+ levels in total) that periodically replace old content with new challenges, making it a "live" service game.
The game requires a solid PC, with 8 GB RAM as a minimum and 16 GB recommended.
Buying gives you the latest, stable content, official matchmaking, and ongoing support from the developers, which is crucial for a multiplayer-focused game.
