Version/ZombiePanicSource/3.3

Small Update

Release Date: October 30, 2025

Previous: 3.2.9 - Small Update

Next: 3.3.1 - Update Released & Characters Remake Previews

Addons system & Steam Workshop

• Added support for VPK files.
• Removed "custom" folder mount point.

Achievements

• Steam achievements can now be earned through custom maps.

Angelscript

• Fixed various inconsistent order of calls with Source I/O (now AngelScript is always first, Source I/O is second).

Audio

• Upgraded FMOD to 2.03.09 version.

Client

• Added "viewmodel_offset" CVARs.
• Changed raw input mouse default value to enabled (TF2 SDK update).
• Changed unload weapon input bit value to HL2's zoom (community bots might require an update if said bit is used).
• Renamed the "disable spray" CVAR from "cl_playerspraydisable" to "cl_spraydisable" (consistency with other Source titles).
• Upgraded Discord RPC to the latest maintenance version.

Debugging bots

• Added "bot_zps_add_lobby" command.
• Fixed "bot_zps_add_spectator" adding a Zombie bot instead of a Spectator one.

Entities

• Backported "non-solid" spawnflag for rotating buttons (TF2 SDK update).
• Backported "point_worldtext" entity (TF2 SDK update).
• Fixed buttons "OnDamage" output passing the activator rather than the attacker.
• Removed unused HL2:DM spawn entities (info_player_combine and info_player_rebel).
• Renamed the player entity from "zpplayer" to "player" (consistency with other Source titles).

Game rules

• Reduced Hardcore mode timer cap from 8 minutes to 5 minutes (requires server to have "sv_zps_hardcore_roundtime_clamp" set to 1)
• Removed forced infection chat messages.

General

• Backported some misc fixes and improvements from the TF2 SDK update.
• Fixed default max players being set to only 2 instead of 24 slots.
• Fixed players being able to kick server bots without admin rights.
• Fixed a very minor memory leak on Key/Value pairs.
• Renamed the "specmode_next", "specmode_prev", "specmode_switch" and "specmode_target" commands to "spec_next", "spec_prev", "spec_mode" and "spec_target" respectively (consistency with other Source titles)
• Removed "mat_queue_mode" being forced to value 1.
• Updated contributors list.
• Various code optimizations and security fixes.

Localization

• Added Brazilian (Portuguese) translations.
• Updated French translations.
• Updated German translations. (Thanks XeroX)
• Updated Russian translations. (Thanks Reborn and Orphanage)
• Removed several unused strings.

Maps

• Added 'jack o' lantern' and fixed minor issues with zombie spawns LoS in Haunted.
• Fixed missing zombie spawns having LoS (PVS spawn) not enabled in Sapidcerebrum.
• Fixed "volume > 255" console spam due to wrong soundscape values on Nightmare.
• Moved the police car AK spawn to the generator room as a random_rifle on Harvest.
• Updated Aquatica, Clubzombo and OBJ Keretti.
  • Cubemap fixes and miscellaneous.

Player

• Updated Survivor's fatigue, recharge stamina and duck/walk mode values.
  • Decreased fatigue limit to 46
  • Increased ducking speed to 126
  • Increased walk mode speed to 144
  • Increased fatigue recharge rate to 0.03
  • Increased fatigue (walk) recharge rate to 0.015

UI

• Added setting to control Steam overlay's position.
• Added hints to advanced game video settings when hovering over them.
• Added "Material queue mode" advanced video setting (mat_queue_mode).
• Fixed broken teammate inventory HUD.
• Fixed "https://" protocol in text not being detected as links.
• Removed "about community servers" and "welcome (back) to ZPS" dialogs.
• Removed several leftover unused HL2 HUD elements.
• Removed video tutorials in the menu (the "Manual" button will now open the official Steam guide in the Steam overlay web browser if possible)
• Removed "DirectX" labels from advanced video settings as we don't support older DirectX levels.
• Removed "Multicore rendering" from advanced video settings.
• Removed "Windows Aero" extensions from advanced video settings.

Weapons

• Updated all Pistols and MP5 (9mm) values.
  • Decreased base damage to 20
  • Increased head damage multiplier to 2.0
  • Set body damage multiplier to 1.0 by default.
• Updated all Rifles values.
  • Increased AK47's base damage to 27 and M4's base damage to 23.
  • Tweaked head damage multiplier to 2.0
  • Set body damage multiplier to 1.0 by default.
• Updated Revolver values.
  • Increased head damage multiplier to 3.0
  • Set body damage multiplier to 1.0 by default. (80 base dmg)
• Updated Broom melee.
  • Decreased head damage multiplier to 1.5
  • Decreased base damage to 35
• Updated fists values.
  • Decreased head damage multiplier to 1.5
  • Set body damage multiplier to 1.0 by default (25 base dmg)
• Restored viewmodel recoil animations (if they are present, this is a visual change that does not impact gameplay).