Left 4 Dead 2

Left 4 Dead 2

Black Mesa: Undertow [v2.0]
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Update: 19 Jul, 2022 @ 11:39am

Hopefully fixed the Gaht'dam thing

Update: 18 Jul, 2022 @ 8:22am

Added string table to map 1 and 3

Update: 17 Jul, 2022 @ 11:20am

Map 1:
- Increased big gate's movespeed
- Added a new shortcut to lessen the backtracking
- Lowered the horde timer
- Added new explosive crate/barrel

Map 2:
- Lowered the horde timer

Map 3:
- Lowered the horde timer
- Added new explosive crate/barrel

Map 4:
- Some optimization

Update: 10 Mar, 2022 @ 7:37am

Map 1:
- Reduced zombie count in horde event
- Added elevator push brush to prevent bot from getting stuck

Map 2:
- Flooded the starting route
- Fixed shitty water and removed the underwater door
- Fixed elevator button not working properly
- Added jump nav for ichy's pool pipes/catwalk
- Reduced zombie count in horde event

Map 3:
- Reduced zombie count in horde event
- Some optimization to the mirror in the main lobby

Map 4:
- Reduced max zombie count
- Added finale variant B
- Fixed outro not fading out properly
- Added a few new ladders, two leading up to the building's roof, one leading up to the control tower
- Fixed some bg music not playing properly

Update: 24 Jan, 2022 @ 3:22pm

Wrong file, whoops!

Update: 24 Jan, 2022 @ 9:10am

Map 1:
- Added nav and clip brushes for the train car at the starting area
- Added some direction hint
- Added a lever to turn on the track's power
- Fixed one of the survivor would get stuck after the game start

Map 2:
- Added a glow to the locked door's button

Update: 11 Jan, 2022 @ 6:02pm

Map 1:
- Fixed mob not spawning properly in Survival mode
- Added a ladder that lead up to the track control room

Map 2:
- Fixed 2nd elevator's button glowing and move it slightly outward

Map 4:
- Added blending displacements to the helifield's ground floor
- Reduced finale mob count

Update: 4 Jan, 2022 @ 1:14pm

Map 1:
- Added support for Survival and Versus mode
- Added hint to the elevator
- Widen the gap between the ladder and the elevator
- Adjusted some item spawning

Map 2:
- Added support for Versus mode
- Added an alternative way down for the first elevator
- Added a ladder for 2nd elevator and fixed the weird lighting
- Fixed a few crate not spawning gibs when destroyed

Map 3:
- Added support for Versus mode
- Improved population, now include CEDA units in the lab area
- Fixed SI unable to climb up the ladder in the storage room
- Moved panic events, from the mainframe's destruction to the wall explosion, and another to the 4 specimen chamber's glass breaking.
- Adjusted some item spawning

Map 4:
- Added support for Survival and Versus mode
- Improved population, now include military units in the base (only work on TLS update and beyond)
- Improved helicopter escape sequence effects
- Reworked the BG music system

Update: 28 Dec, 2021 @ 8:12am

============[Overall changes for all 4 maps:]============
- Forced enable game instructor (gameinstructor_enable 1 ) to help with puzzles
- Made Health Chargers somewhat functional. The heal radius is moderate and there is a global limit (out of conveniences when copy/paste). It maybe a bugged when the user health is full or when they try to break it on purpose (DO NOT).

============[Map 1:]============

- Added some decorative wires/cables
- Added a rescue closet
- Improved ladder navigation for bots
- Added 2 very long ladder and an elevator leading from the generator room. Elevator are locked until power is turned on.

============[Map 2:]============
- Fixed missing sound track at the start
- Added dialog when starting the machine the crushers room
- Added an extra ladder near the middle crusher
- Added Charger trap in the crusher room
- Prevent the crusher from insta-killing the player (now deal 5 dmg per second of crushing instead of 10000 - original number by Valve)
- Fixed misaligned item spawn in the comp room
- Widen the ladder leading from the freezer room
- Added big doors in the flooded area below the freezer room, possibly reducing the difficulties
- Added water leak from the freezer room to the flooded area
- Added a rescue closet near the saferoom
- Recalculated NAV, should fix the zombie spawn issue
~ (edited)
[2:36 PM]
============[Map 3:]============
- Added a hint for the electric fence puzzle
- Added horde alarm sound
- Made checkpoint door open by default and moved slightly further out
- Tank revival event will now spawn healthkits
- Nav mesh recalculated with some newly added area and cleanups, hopefully will fix horde not spawning properly

============[Map 4:]============
- Reduced particle count for heli escape sequence (marginal)
- Expanded the dark room
- Added Health Chargers in the helipad area and in the warehouse
- Adjust misaligned xmas lights
- Made combat music louder and blocking regular horde music
- Added some decorative cables and wind effect
- Fixed missing nav on the dam's ladder
- Fixed bot could get stuck at the light pole near the Health charger on the helipad

Update: 13 Dec, 2021 @ 7:58pm

Map 1:
- Added upper level door to toxic pool area and lowered the toxic damage
- Lowered zombie count on the generator's gauntlet event with a small delay at the start
- Fixed checkpoint door using the wrong model
- Added a few more item spawns

Map 2:
- Fixed infected stuck on top of the final elevator
- Fixed a few prop break not spawning gibs
- Fixed checkpoint door using the wrong model
- Fixed a water leak particle not playing
- Added underwater doors

Map 3:
- Prevent tank from attacking too early (100% of the time it works 50% of the time)
- Some performance optimization
- Fixed checkpoint door using the wrong model

Map 4:
- Added finale escape boat/heli nagging dialogs
- Some performance optimization
- You can now turn on snow and Xmas light with the switch in the control tower next to the boat
- Added some pauses in between attacks in the finale
- Added ladder model on the bridge