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Left 4 Dead 2 Server Hosting

Left 4 Dead 2 is Valve’s cooperative zombie survival game. Our L4D2 servers provide excellent performance for both campaign co-op and versus gameplay, with full SourceMod support for custom content.

  1. Select “Left 4 Dead 2” from game list
  2. Choose game mode:
    • Campaign: 4-player cooperative story mode
    • Versus: 4v4 survivors vs infected
    • Survival: Wave-based survival mode
    • Scavenge: Competitive fuel collection mode
    • Realism: Hardcore campaign mode
  3. Configure basic settings:
    • Server Name: Displayed in server browser
    • Difficulty: Easy, Normal, Advanced, Expert
    • Campaign: Choose starting campaign
    • Max Players: 4-8 depending on mode
Game ModePlayersRAMCPUStorage
Campaign42GB2 cores15GB
Versus83GB3 cores20GB
Custom Content84GB4 cores30GB
Modded Server8+6GB4 cores40GB

Essential L4D2 server configuration:

// Server Information
hostname "My L4D2 Server"
sv_contact "admin@example.com"
sv_password ""
sv_region 255
// Network Settings
sv_lan 0
rate 30000
sv_maxrate 30000
sv_minrate 5000
sv_maxcmdrate 100
sv_mincmdrate 10
sv_maxupdaterate 100
sv_minupdaterate 10
// Game Settings
mp_gamemode "coop" // coop, versus, survival, scavenge, realism
z_difficulty "Normal" // Easy, Normal, Hard, Impossible
sv_gametypes "coop,versus,survival,scavenge"
// Campaign Settings
sv_search_key ""
sv_steamgroup ""
sv_steamgroup_exclusive 0
sv_allow_lobby_connect_only 0
// Director Settings (AI Director controls zombie spawns)
director_afk_timeout 45
director_no_bosses 0
director_no_mobs 0
director_no_specials 0
director_panic_forever 0
director_versus_tank_bonus 0
// Versus Mode Settings
versus_tank_chance_finale 1.0
versus_tank_chance 1.0
versus_tank_flow_team_variation 0.25
versus_witch_chance_finale 1.0
versus_witch_chance 1.0
versus_witch_flow_team_variation 0.25
// Admin Settings
rcon_password "your_rcon_password"
sv_rcon_banpenalty 0
sv_rcon_maxfailures 5
// Logging
log on
sv_logbans 1
sv_logecho 1
sv_logfile 1
sv_log_onefile 0
mp_gamemode "coop"
z_difficulty "Normal"
survivor_limit 4
z_max_player_zombies 0
sb_all_bot_game 0
allow_all_bot_survivor_team 1
mp_gamemode "versus"
z_difficulty "Normal"
survivor_limit 4
z_max_player_zombies 4
versus_round_restart_delay 15
l4d_ready_enabled 1
l4d_ready_cfg_name "versus"
mp_gamemode "survival"
z_difficulty "Normal"
survival_round_restart_delay 15
survival_max_rounds 10
mp_gamemode "scavenge"
z_difficulty "Normal"
scavenge_round_restart_delay 15
scavenge_round_setup_time 45
scavenge_overtime_grace_time 15

SourceMod comes pre-installed on Game Lords L4D2 servers:

  1. MetaMod:Source: Plugin framework
  2. SourceMod: Admin and plugin system
  3. L4D2 Extensions: Game-specific functionality
  • L4D2 Admin System: Enhanced admin commands
  • Basic Commands: Core admin functionality
  • L4D2 Vote Manager: Improved voting system
  • Anti-Grief: Prevent griefing behaviors
  • L4D2 Director: Enhanced AI Director control
  • Survivor Bot Improvements: Better AI behavior
  • Tank Control: Manage tank spawning and behavior
  • Versus Spawn Control: Balanced infected spawning
  • Readyup: Team ready system for versus
  • Score System: Enhanced scoring for versus
  • Spectator Manager: Improved spectate features
  • AFK Manager: Handle idle players
  • L4D2 Weapons: Additional weapons and items
  • Custom Campaigns: Community-made campaigns
  • Survivor Characters: Additional survivor models
  • Special Infected Mods: Enhanced infected abilities

Example plugin configurations:

// Readyup settings
l4d_ready_enabled 1
l4d_ready_cfg_name "versus"
l4d_ready_both_halves 1
l4d_ready_minimum_players 8
l4d_ready_delay 3
// Enhanced scoring
l4d2_score_bonus_per_survivor 25
l4d2_score_damage_multiplier 1.0
l4d2_score_pills_bonus 1
l4d2_score_medkit_bonus 5

L4D2 includes many official campaigns:

  • Dead Center: Mall and city environment
  • Dark Carnival: Amusement park theme
  • Swamp Fever: Bayou and plantation setting
  • Hard Rain: Town during severe weather
  • The Parish: Military evacuation from city
  • The Passing: Crossover with original L4D survivors
  • The Sacrifice: Prequel to The Passing
  • Cold Stream: Industrial and creek environments
  • No Mercy: Hospital evacuation
  • Crash Course: Short campaign through industrial area
  • Death Toll: Rural escape to boat
  • Dead Air: Airport evacuation
  • Blood Harvest: Farmhouse finale

Add community campaigns:

  1. Download campaigns from L4D2Maps.com
  2. Install to addons folder: Extract to “left4dead2/addons/”
  3. VPK format: Most custom campaigns use .vpk files
  4. Test thoroughly: Verify campaign functionality

Configure campaign cycling:

// Host commands for campaign changes
map c1m1_hotel // Dead Center
map c2m1_highway // Dark Carnival
map c3m1_plankcountry // Swamp Fever
map c4m1_milltown_a // Hard Rain
map c5m1_waterfront // The Parish

Edit “addons/sourcemod/configs/admins_simple.ini”:

"STEAM_0:1:12345678" "99:z" // Full admin access
"STEAM_0:1:87654321" "bc:z" // Basic moderation
sm_kick <player> [reason] # Kick player
sm_ban <player> <minutes> [reason] # Ban player
sm_unban <steamid> # Remove ban
sm_slay <player> # Kill player
sm_respawn <player> # Respawn player (if possible)
sm_giveitem <player> <item> # Give items (medkit, pills, etc.)
sm_givemelee <player> <weapon> # Give melee weapons
sm_infected <player> # Change to infected team
sm_survivor <player> # Change to survivor team
sm_spawn <type> # Spawn special infected
director_force_panic_event # Force panic event
director_panic_forever 1 # Continuous panic mode
z_spawn tank # Spawn tank
z_spawn witch # Spawn witch
z_spawn mob # Spawn common infected horde

For competitive versus play:

// Confogl/ZoneMod configuration
sm_cvar confogl_match_execcfg_off 0
sm_cvar confogl_addcvar mp_gamemode versus
sm_cvar confogl_addcvar z_difficulty Normal
// Tank spawning
sm_cvar versus_tank_chance 1.0
sm_cvar versus_tank_chance_finale 1.0
sm_cvar versus_tank_chance_intro 0.0
// Witch spawning
sm_cvar versus_witch_chance 1.0
sm_cvar versus_witch_chance_finale 1.0
sm_cvar versus_witch_chance_intro 0.0
// Health and items
sm_cvar pain_pills_decay_rate 0.27
sm_cvar survivor_revive_health 30
sm_cvar survivor_max_incapacitated_count 2

Popular competitive configurations:

  • ZoneMod: Modern competitive config
  • Confogl: Classic competitive framework
  • EQ: European competitive config
  1. Download ZoneMod from GitHub
  2. Extract to addons/sourcemod/
  3. Configure match settings
  4. Load with sm_zonemod
// FPS and performance
fps_max 300
host_thread_mode 0
// Network optimization
sv_parallel_sendsound 1
sv_compressskeletondata 1
// AI optimization
nb_update_frequency 0.1
z_common_limit 30
z_mob_spawn_max_size 30
z_mob_spawn_min_size 10
// Physics optimization
phys_pushscale 1.0
phys_timescale 1.0
// Memory settings
sv_memory_pool_chunks 256
sv_memory_pool_maxsize 128
// Garbage collection
host_speeds 0
con_timestamp 1
developer 0

L4D2 includes various mutation modes:

  • Last Man on Earth: Solo survivor vs AI
  • Ironman: One life only
  • Four Swords: Melee weapons only
  • Headshot!: Headshots only kill
  • Bleed Out: No healing items
// Enable specific mutation
mp_gamemode "mutation1" # Last Man on Earth
mp_gamemode "mutation2" # Headshot!
mp_gamemode "mutation3" # Bleed Out
// ... and so on

Create custom gameplay modifications:

  1. Use existing mutation frameworks
  2. Modify weapon spawns and availability
  3. Adjust infected spawning patterns
  4. Create unique win conditions

Add custom weapons:

  • Melee weapons: Additional melee options
  • Firearm variants: Modified existing weapons
  • Special items: Unique throwables or tools
  • Survivor skins: Alternative character appearances
  • Infected models: Custom special infected designs
  • Common infected: Varied zombie appearances
  • Lighting changes: Atmospheric improvements
  • Layout modifications: Gameplay balance adjustments
  • Detail additions: Enhanced visual elements
  • Plugin conflicts: Disable recent plugins
  • Memory issues: Monitor RAM usage
  • Campaign corruption: Verify map files
  • SourceMod updates: Keep framework current
  • Bot navigation: Verify nav mesh files
  • Stuck survivors: Check map navigation
  • Director issues: Reset director settings
  • Infinite spawning: Check spawn rate limits
  • Steam authentication: Verify Steam connectivity
  • Lobby problems: Check lobby connection settings
  • Version mismatch: Ensure server is updated
  • Firewall blocking: Verify port accessibility
developer 1 # Enable debug output
net_graph 3 # Network statistics
nb_debug 1 # AI debug information
director_debug 1 # Director debug info
  • HLstatsX: Comprehensive player statistics
  • Custom databases: Track player progress
  • Achievement systems: Custom goals and rewards
  • Leaderboards: Competitive rankings
  • Versus tournaments: Competitive 4v4 matches
  • Campaign challenges: Speedrun competitions
  • Custom events: Holiday-themed modifications
  • Community nights: Regular gathering events
  • Server status bots: Real-time server information
  • Match notifications: Game start/end alerts
  • Player statistics: Stats lookup commands
  • Community chat: Bridge in-game and Discord chat
  • Server statistics: Web-based stat viewing
  • Match scheduling: Tournament organization
  • Player profiles: Individual player pages
  • Demo downloads: Match replay access
  • Steam Community: Official guides and discussions
  • L4D2Maps.com: Custom content repository
  • GameMaps.com: Additional map resources
  • AlliedModders: Plugin development community
  • Reddit: r/l4d2 community discussions

Specialized L4D2 support includes:

  • Plugin configuration assistance
  • Custom campaign installation
  • Versus mode optimization
  • Performance troubleshooting

When requesting help, include:

  • Server configuration files
  • Plugin list and error logs
  • Description of the issue
  • Steps to reproduce the problem

Enjoy your Left 4 Dead 2 server experience!