Repacked .iso files from third-party sites are frequent vectors for trojans, miners, or ransomware.
Unlike a traditional game, Nuclear War Simulator was originally designed as a professional-grade visualization tool to help people understand the scale and consequences of nuclear conflict. It was eventually released on platforms like Steam for the general public. The "Story" Within the Simulator [Game3rb.com] Nuclear.War.Simulator-Repack.iso
Cracks can often cause the simulation to crash or prevent updates that fix critical bugs. Repacked