Lambda - Half-Life 2 Co-Op

Have you ever wanted to play the Half-Life 2 series with your friends online? Then Lambda is exactly what you are looking for. Lambda aims to provide seamless multiplayer support for the Half-Life 2 campaign maps, as well as user-created campaigns.

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• Level scenes reworked with checkpoints to be multiplayer friendly, players won't be forcibly teleported
• Full player and object transitioning between levels
• Enemy scaling based on skill level and player count
• Visual improvements
• Legacy Half-Life 2 aspects such as view bob, view lag, sprinting, AUX power counter, and more
• Survivor mode with respawn checkpoints
• Ability to command friendly NPCs via the context menu
• Medkits for players to heal eachother
• Dynamic crosshair
• Underwater bullets
• Custom Gravity Gun including the mega version with glow color customization
• Passenger seats
• Voting system
• Mapscripts for each campaign map for modifying logic and extra gameplay enhancements
• Ability to create your own story
• A menu (F1) where you can change various gamemode settings, player settings and cast votes
• Merged episodic animations in the base NPC model
• Easter eggs

The best way to report bugs is via GitHub, use following link to submit a new issue or by posting the issue in our Discord in the #bug-reports channel. We do not recommend posting bugs in the comment section below.

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• How to start the campaigns? **
• Select the gamemode and start a new multiplayer game with the map "d1_trainstation_01" if you want Half-Life 2, otherwise for Episode 1 select map "ep1_citadel_00" and for Episode 2 "ep2_outland_01".

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• How to change playermodel and settings? **
• To access the menu press F1. Here you can change your playermodel and client settings. If you are an administrator you can also change server settings.

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• What about Episodes or Half Life 1? **
• Episode 2 is currently under development, as for Half Life 1 check (https://steamcommunity.com/workshop/filedetails/?id=1590755372) out made by TheMostUpset

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• Using custom weapons or spawning props? **
• There is no custom weapons support at the moment. You can give yourself weapons either through Lua or the "give weaponname" command. The spawnmenu does not exist.

For a more in depth FAQ click here

Half-Life 2: Cosmonaut Half-Life 2: Calamity Life-Half 2

This is currently a work-in-progress, but will be documented soon. Here are the current specifications: 1. Whatever Half-Life 2 uses already works 2. For transition support, your map must have an info_landmark, trigger_transition, and trigger_changelevel. Check out the Valve Developer Wiki for more information 3. Information about round setup and other basic rules