Lambda

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.

Features

• 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
• Some hidden and not so hidden easter eggs

Supported Games

Half-Life 2

• Fully supported.

Half-Life 2: Episode 1

• Fully supported.

Half-Life 2: Episode 2

• 80% completion.

Half-Life 2: Deathmatch

• Fully supported.

Half-Life 1/Source

• Experimental.

Campaign/Story Creation

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

This is the Lambda code repository, for more information you can use following links:

Steam Workshop
Discord