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High-Fidelity Combat

By default, Left 4 Dead 2 runs at a sluggish 30 Tickrate. While this was acceptable for 2009 hardware, modern gamers expect higher responsiveness. Unlocking your server to 100 Tickrate dramatically improves hit registration (especially for Jockeys and Chargers) and makes movement feel significantly smoother.
Reading TimeDifficultyLast Updated
5 minutesIntermediateJanuary 2026

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1. Technical Requirements

Unlocking the tickrate requires a specialized engine modification:
  1. Install the Tickrate Enabler extension.
  2. In your FREAKHOSTING Startup Settings, add -tickrate 100 to the command line parameters.

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2. Network Sync (server.cfg)

If you unlock the tickrate but don’t tell the server to send more data, the game will feel “choppy.” Add these to your server.cfg: 
sv_minrate 100000        // Higher bandwidth for more updates
sv_maxrate 0             // Allow unlimited max
sv_mincmdrate 100        // Force clients to send 100 updates per sec
sv_minupdaterate 100     // Force server to send 100 updates per sec

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3. Physics & Mechanics Changes

Running at 100 Tick changes the math behind the physics engine:
  • Projectiles: Spitter spit and Tank rocks may fly slightly faster or curve differently.
  • Jockeying: The Jockey “dead-stops” become much easier to hit as the server checks for contact 100 times per second instead of 30.
  • Leap Logic: Hunter leaps will be more precise, making mid-air “skeets” more consistent.

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Last Updated: January 2026 | L4D2: 100 Tick active.