• Stopped workshop maps from being downloaded by the game because the base game's workshop folder isn't on path for SourceMods. Because of this, it tries to get ALL of them at once, which causes the game to be unstable and occasionally crash.
• Fixed human NPC movement so they don't jitter when they move. cl_localnetworkbackdoor is automatically set to 0 without manual adjustment.
• Made r_screenoverlay ConVar be enabled by default and not need cheats so env_screenoverlay entities can work correctly without sv_cheats being needed.
• Added a ConVar to enable instant respawns for multiplayer. Skips those moments in the third-person death cam before respawn.
• Fixed linked portal doors causing crashes on multiplayer when players enter them.
• Increased the max VScript VM runtime so that VScript operations like for and while loops run without problems. This helps give more leeway in doing things in VScript without the engine complaining and shutting down the rest of the script, spewing errors in the console. While it depends on how the script was programmed and what it is doing, I occasionally notice this, and this fix helps eliminate it.
• Fixed the player flashlight impulse ConCommand, so it no longer requires cheats to be enabled. All that is needed is a key bound to impulse 100. However, the flashlight doesn't work perfectly with portals, snapping to odd positions when moving through and unable to shine through portals.
• (NOT IMPLEMENTED) Add a ConVar to disable multiplayer death icons.
• (NOT IMPLEMENTED) Allow more than one env_projectedtexture to be on at once. However, the engine limit of eight is still enforced! That can not be fixed.
• (NOT IMPLEMENTED) Option to turn on or off puzzle maker functionality. Most mods don't use the puzzle maker, but it still loads in. The plugin will try to disable as much of it as possible so the console is not filled with any puzzle-maker-related errors, messages, or other additional bloat.
• (NOT IMPLEMENTED) Custom Discord RPC for Portal 2 SourceMods.
• (NOT IMPLEMENTED) Additional achievement support and features. Like custom achievements that span multiple maps and have more parts than Door Prize and Smash TV.
• (NOT IMPLEMENTED) As informed by MarvinG, env_sun disappears when over player crosshair. I have not been able to confirm this and have never noticed it in general.
• (NOT IMPLEMENTED) When in water, the player is pushed to the world's origin.
• (NOT IMPLEMENTED) Fix SourceMods only getting a small 2 MB of memory for material system render context allocation, increasing it to 6 MB. This could happen if this gets ported to SAR or P2SRM.
• (NOT IMPLEMENTED) Linux support.
• (NOT IMPLEMENTED) Implement some VScript functions and hooks to capture specific events, turn ConVars on or off, and fix and add new VScript functions.
• (NOT IMPLEMENTED) Make main menu backgrounds switch accordingly to the act number indicated in the map name ("sp_a3").
• (NOT IMPLEMENTED) Have a config file to turn specific fixes and features on or off.
• (NOT IMPLEMENTED) Reimplement/fix map backgrounds for Portal 2.

Download the latest addons.zip under the Releases tab on GitHub and extract its folder into the base directory of your SourceMod. Portal 2 should automatically start the plugin up with the game. You should be able to see log messages from the plugin in the developer console if it is loaded. That's it. Please create an Issue post on the plugin's repository if there are any issues. I'll get to it within the next 20 years. (Hopefully not).

As of writing, 11/10/2024, the plugin is only compatible with Windows. The signature scanner it uses still needs to be compatible with Linux, plus overall, the way the P2:MM plugin is structured (this plugin is built off of some of the P2:MM plugin code as a base), it's impossible to compile for Linux anyway. Literally 1984, I know, but I don't have enough time or experience to figure it out by myself. Linux users should still be able to get away with using Proton or similar to be able to use the plugin's Windows .dll. Hopefully, one day, this can be fixed...

Update 3/24/2025: I plan to move this over to a forked version of SAR using its code base as a base for this plugin. Its structure is much better, it has more engine functionality accessible in the plugin, and it compiles for Linux. However, do not expect this switch to happen anytime soon. Thank you for being so patient.

Please credit Orsell/OrsellGaming, Nanoman2525, NULLderef, and/or the Portal 2: Multiplayer Mod Team if you use this plugin or its code in any way with your SourceMod. You'll also need to include this repository and P2:MM's license file with the plugin. Both licenses will be included with the addon.zip file you download to get the plugin.