VScript

VScript is a virtual machine for scripting that acts as an abstract binding layer between the Source engine and external scripts. According to the Alien Swarm SDK, following scripting languages are, or could be supported in near future:

• Gamemonkey
• Squirrel
• Lua
• Python

VScript is currently implemented in Squirrel for these games:

Portal 2

Alien Swarm

Left 4 Dead 2

Script files are placed and executed in scripts/vscripts/ inside the game folder.

See also

• Scripting in L4D2 with Squirrel
• Script examples for L4D2 with Squirrel
• logic_script