Insurgency is a multiplayer tactical FPS where precise aiming and quick reactions are vital, running on the Source Engine that places heavy load on the CPU. In 32-player modes, the processor handles player tracking, bullet physics, and particle effects, making CPU consistency critical for achieving high frame rates and low input lag. Competitive players often chase high-refresh gameplay for immediate responsiveness, but wins hinge more on frame pacing than raw visual quality. Common performance issues include microstutter from uncapped frame rates and CPU-bound dips during explosions or dense foliage. To keep gameplay smooth, most tune settings like shadows and effect detail down, emphasizing delivery over cinematic fidelity. Memory speed and a stable platform also aid the engine in maintaining steady performance. For those wondering what PC they need for competitive Insurgency, the answer lies in a high-refresh gaming PC build that prioritizes CPU capability and balanced components to avoid mismatches where a strong GPU is limited by a weak processor. This focus ensures consistent, responsive play in the game's demanding engagements.