InfectionV

An infection has spread. It turns nearby NPCs into zombies that will attack you on sight. Some of them can now sprint and actively chase the player.

The infection spreads within a 75 meter radius. Affected NPCs will exit vehicles and engage you immediately.

Installation

– Install ScriptHookV
– Install ScriptHookVDotNet
– Install Lua
– Copy infectionV.cs into the scripts folder. Create the folder if it does not exist
– Start the game and press F9 to activate the mod

Version history

V1.1
– Added Boomer zombie type with explosive behavior
– Added full blackout system, city lights disabled, vehicle lights remain active
– Increased Runner and Boomer spawn rates during night (20:00–06:00)
– Added night danger warning and morning notification
– Added new Runner sound set with aggressive scream variant
– Added Boomer sound effects with proximity warning
– Added medkit drop system with pickup sound
– Increased zombie damage
– Added 2.5 second damage cooldown to prevent stacked hits
– Added 3 second protection after character switch
– Fixed texture flickering during aiming
– Fixed animals no longer turning into human zombies
– Restored silent behavior for slow zombies
– Improved Runner animation and overall balance
– Added activation and deactivation notifications
– Improved blood textures for all zombies

V1.2
– Fixed missing infection on some NPCs
– Fixed infected police retaining normal AI behavior
– Added Sprinter zombie type
– Reworked drop system for instant and stable item placement
– Adjusted Sprinter spawn rates (day 13%, night 23%)
– Improved medkit drop behavior, no clipping or delay
– Reduced flickering issues
– General stability improvements in infection logic and AI reactions

V1.3
– Added mod menu
– Restored intelligent zombie AI, including ladders, obstacle handling, fire avoidance, and pathfinding
– Added global and individual speed controls for all zombie types
– Animation speed now scales with movement speed
– Added GTA Online Halloween weather (dense fog, low visibility, dark lighting)
– Added random vehicle damage system (engine, windows, body)
– Improved menu structure and scrolling
– Improved zombie behavior indoors and general AI stability
– Fixed stuck zombies, animation bugs, and ladder issues
– Performance and code cleanup

V1.4
– Added option to disable NPCs
– Added option to disable traffic
– Added option for random abandoned cars
– Added toggle for zombie spawning
– Added night system for possessed animals, replacing normal wildlife
– Fixed animal stuttering when intelligent AI is enabled
– Added animal spawn chance control

V1.5
– Added global spawn system
– Improved automatic zone detection, including Cayo Perico and North Yankton
– Fixed weather override issues
– Added wildlife spawns, including urban cats
– Improved zombie AI stability
– Refined spawn distribution
– Updated abandoned vehicle system, including motorcycles and emergency vehicles
– Removed unstable features
– Added new zombie animations across all types
– Performance and stability improvements
– Minor bug fixes

V1.6
– Added Tank Zombies with high health and heavy melee damage
– Added Archer Zombies with ranged AI and retreat behavior
– Separated melee and ranged AI systems
– Improved performance stability at high refresh rates
– Reduced stutters and improved overall gameplay smoothness