Operation Event Horizon: May 2026 Update is here! Find out what's new

Cache 4 Goals (v26.50)
Achievements, Cache, Animals and more!
Garry's Mod icon
Garry's Mod
Added
Users who are signed up to Lambda Labs now get a unique in-game collectable trophy
Added
Cache Collection

Now available in the Operation Event Horizon Store

Added
Added support for Glitter stickers
Added
Added Best of Counter-Strike #3 Sticker Capsule

With a new style (Glitter), the Best of Counter-Strike #3 capsule contains the very best of Counter-Strike including the very best glitter stickers.

Removed
Removed "Friend Message Sound" option in Chat Options

The in-game chat system has been gone for a while now.

Added
Added support for web trade offers
Added
Achievements System

Introducing a Steam-like achievements system. The initial system covers global achievements (e.g any gamemode) and Timer Engine, Surf and Buny Hop with more gamemodes to follow.

New Feature for Premium Users: You can change the sound that's made when you unlock an achievement 😎

Added
Added In-game Lambda Labs support for any future in-game features.
Added
Added NIGHT MODE II Music Kits

Regular and StatTrak boxes are now available to purchase from the in-game store.

Removed
Removed Easter Eggs
Added
Operation Event Horizon Missions
Removed
Removed Rising Sun collection from the Operation Event Horizon Store
Removed
Removed Ascent Collection from the Operation Event Horizon Store
Added
Added Cache Collection to the Operation Event Horizon Store
Added
Added Control Collection to the Operation Event Horizon Store
Removed
Removed "Random Dead Hand Gloves" from the Operation Store
Removed
Removed Best of CS #2 Sticker Capsule from the Operation Store

Now available to purchase in the in-game store.

Added
Added Series #3 Profile Backgrounds

A random background is now available in the Operation Store.

Improvement
Premium Users can now change the Terminal OS startup sound
Added
Added Half-Life: Alyx Sticker Capsule

Now available to purchase in the In-game Store

Added
Added Easter 2026 Terminal to the drop pool
Improvement
Replaced all pp/blurscreen draws with shaders
Removed
Removed legacy, unused code.
Fixed
Fixed an issue where in some cases clients would receive a Lua error for an invalid view model when attempting to composite gloves
Fixed
Fixed some content creation credits that were missing from some gloves
Timer Engine
Added
Implemented Timer Engine core achievements
Added
Added a new hook when a player completes a map

PlayerCompletedTimerEngineMap contains a detailed table rather than expanding hook arguments

Surf (Timer Engine)
Added
Implemented Surf related achievements
Bunny Hop (Timer Engine)
Added
Implemented Bunny Hop related achievements
Added
New Map: bhop_airphase (Tier 1, Linear)
Added
New Map: bhop_crimsondungeon (Tier 1, Linear)
Added
New Map: bhop_candy_saarc (Tier 1, Linear)
Added
New Map: bhop_hex (Tier 2, Staged)
Added
New Map: bhop_blurry (Tier 3, Linear)
Added
New Map: bhop_deception (Tier 3, Linear)
LambdaNet Matchmaking
Removed
Removed Zombie Survival

Zombie Survival is now going to go through a rework and will return in October.

Website
Added
Added new image assets for new economy items
Added
Added Achievments back end
Added
Added a list of achievements to the Wiki
Added
Added achievments to user profiles
Added
Trade Offers

Go to any Lambda User profile and then go to Actions => Send Trade Offer

You can request items from their inventory along with offering your own. You can also offer money.

Trade offers work similar to STEAM

Added
News Post section types

We can now embed economy item carousels directly in news posts

Added
New Roadmap system

The existing roadmap system has been removed and replaced with our own custom written one. We can now have multiple roadmaps for different projects, in this case we have a main roadmap which can be found Here and Operation Event Horizon now has it's own Roadmap which can be found Here

Added
Removed the game parameter from the issues page.

Now that we have the game selector, this is no longer required.

URL's have changed, please update any bookmarks you may have.

Fixed
Fixed an issue where StatTrak kills would not reset after items are purchased from the market.
Fixed
Fixed an issue where games and subgames would sometimes duplicate due to a race condition
Added
Competition System

This will initially be used for Content Creation competitions but we will expand this in the future. The new system allows users to sign up to competitions and link their workshop submissions directly against the competition, with a clear prize list.

New Feature
AI News Summary is now out of Labs
New Feature
Added a toggle under account settings to turn off AI features.
Added
Added New Items Feature on the Wiki
Deathmatch
Added
New Map: Cache
Added
New Map: Zoo
Guardian
Added
New Map: Cache
Added
New Map: Zoo
Casual
Added
New Map: Cache
Added
New Map: Zoo