Natural Selection 2 One Year Anniversary

Posted by 11 years ago

On this day, Halloween 2012, Natural Selection 2 was launched on Steam. The following year has blown our minds at Unknown Worlds. More people have purchased, played, contributed to and been a part of Natural Selection 2 than we ever thought possible.


Naturally, this date calls for a celebration. Natural Selection 2 build 259 is now live on Steam – It doesn’t have a special name, because its special nature lies in its normalness. Natural Selection 2 has been updated countless times since launch, and it is the cumulative improvement that these updates have brought which are most proud of.

The birthday build also includes some new toys to play with – The Shadow Gorge, and Shadow Lerk.

Natural Selection 2

In game model of the Shadow Gorge and some of its toys

Both the Shadow Gorge and Shadow Lerk are available to everyone that has purchased Shadow Tier in the Natural Selection 2 Reinforcement Program. For a limited time, anyone with Silver, Gold, or Diamond tiers can upgrade to Shadow Tier for only the difference in tier price. To upgrade, go to

Natural Selection 2

In-game model of the Shadow Lerk

That’s not all. It is also Natural Selection 1’s birthday – It’s 11th birthday. To celebrate, a very special piece of Natural Selection history is making a comeback later this year. Here is a teaser. Prepare to nostalgia:


The party carry’s over to Steam as well – This Halloween through November 4th, Natural Selection 2 is 75% off on Steam!


Happy birthday Natural Selection.





Oh ok, here’s the changelog!


Fixed crash in the animation system
Fixed Biomass UI and tech map sometimes not showing tooltip info for Commanders
Fixed Marine HUD health bar appearing corrupted when leaving Command Station at low health
Fixed script error preventing an unbuilt Gorge Tunnel entrance from being consumed when a third one is being built
Fixed Webs blocking bullets and projectiles (only Welder and Flamethrower will hit them now)
Fixed Heal Spray effects being visible to Marine Commander without LOS
Fixed Gorge Tunnels being droppable in areas which Marines can’t reach
Fixed Skulk aligning their model in midair to other players / entities they are about to collide with
Fixed some icons staying greyed out in Alien tech map once requirements have been reached
Fixed wrong side of the Gorge Tunnel flinching when attacked
Fixed main menu background sound continuing to play while the menu is closed (thanks Mendasp!)
Fixed Nanoshield sometimes failing and possibility of applying to dead units but still costing resources
A commander is no longer able to go to the ready room and rejoin their team to gain 20 resources
The game no longer attempts to load female versions of Alien voice overs (Thanks Samusdroid!)
Fixed bug causing sound volume to increase after failed connections
Lerk idle sound will no longer play in 2D space (Thanks Samusdroid!)


Improved hit registration of Flamethrower (damage application was slightly offset from crosshair)
Improved behavior of Flamethrower fire effect when colliding with a surface
Waypoints and Pings will now fade out while aiming at their direction
Removed cooldown from Scan (old nearby Scans are removed to prevent effect spam)
Improved behavior and client side misprediction of Grenades
Dead end Gorge Tunnel entrances can no longer be entered. They will now show a specific pose depending on if they are connected or not to fix the confusion when having multiple Tunnel entrances in one room.
Increase size of Hand Grenades when thrown to make them more visible
Enzyme Cloud effect is less obtrusive
Improved explosion effects for the Grenade Launcher
Improved Onos Gore effects
Linux dedicated server now requires the Steam runtime. This is documented in the Dedicated_Server_Usage.txt file.


Shadow Gorge + Toys
Shadow Lerk


Reduced Nanoshield damage absorb to 32% (down from 75%)
Increased Nanoshield duration to 5 seconds (up from 3)
Removed marine dodge jump


Optimized animation computations
The score update network message now uses less bandwidth
Compressed all audio which saves a lot of in game memory


Dynamic props now have a default model (Thanks Samusdroid!)


The default Builder setup will now generate minimaps and correctly copy CSS files (Thanks Samusdroid!)
Fixed security issue where a mod could potentially read files outside of the sandboxed directories (Thanks Deco!)


Moved location of Containment power node.
Made some fixes to commander visibility.
Adjusted detailing in Conduit
Filled bucked in smelting with cooled ore to prevent gorge nest madness.
Deleted empty prop_static entities.
Changed death triggers on lava falls to do damage over time (no more lerk insta-death).
Fixed flickering textures.
Added power node to Falls Approach.
Fixed exploit where you could build outside the map near Lava Falls.
Raised pipes in Conduit to remove an exploit spot.
Improved pathing mesh.
Thanks to SamusDroid for his help bug-squashing.

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