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Memory Allocation DLL

This mod contains an updated version of tbmalloc.dll, which could potentially improve game's performance and stability for some users, or make the game crash for others. Use at your own risk.

Most likely incompatible with Linux / Mac versions of the game.


Unlike most XCOM 2 mods, this mod requires additional manual installation.

1. Just in case, create a backup of your original tbmalloc.dll, which is located at:

For vanilla XCOM 2:

For XCOM 2 War of the Chosen:

2. Subscribe to this mod and wait for Steam to download it.

3. Copy the tbmalloc.dll from this mod's folder to your game installation folder, replacing the original file:

4. Optionally, you can unsubscribe from this mod at this point.

You can also download the new version of tbmalloc.dll from Google Drive[drive.google.com] (Backup Link[drive.google.com])


Use the backup tbmalloc.dll to replace the new file or verify game's assets through Steam.


The name stands for Threading Building Blocks Memory Allocation Dynamic Link Library. In simple terms, it's a file that contains code used by the game to request memory from your operating system. Supposedly the newer version of the library contains various improvements that optimize this process.


VirusTotal scan[www.virustotal.com] found no threats.

Still, use at your own risk. In theory, using the new .DLL may reduce stability and performance. In that case you can just revert to the older version of the file.


Thanks to /u/pepoluan who created this reddit thread to bring this potential improvement to community's attention.