Soaring NAND flash prices have made large SSDs increasingly expensive, leaving gamers to seek alternative ways to manage their libraries. The Game Compressor utility, available on Steam for $5.99, offers a practical solution by leveraging Windows' built-in LZX compression to shrink game files without noticeable performance loss in most cases.

What You Need to Know

Game Compressor uses Windows' LZX compression algorithm to reduce the on-disk size of installed games. It can save tens of gigabytes per title, with some games shrinking by nearly half. The tool adds a user-friendly interface over Windows' native compression commands, including features like patch recompression and compression previews. However, it is not recommended for games using DirectStorage due to potential stuttering from CPU decompression.

How Game Compressor Works

After installation, the tool scans watched folders for game files and calculates potential savings. After Compressor scans which games are available, it provides a preview of expected space reductions. You select games to compress, and tasks go into a queue that can be paused or cancelled at any point. A key feature is automatic recompression after game updates, ensuring the space savings remain intact.

  • Significant space savings: Games like ARK Survival Evolved drop from 169 GB to 91 GB, freeing 78 GB.
  • CPU overhead minimal: Most games cannot fully utilize modern CPU cores, leaving headroom for decompression.
  • Patch monitoring: Automatically recompresses after game updates to maintain savings.

Performance and Compatibility

Compressed games may actually load faster due to reduced I/O demands. The only cost is a small amount of CPU overhead, which is almost always available. However, DirectStorage games rely on direct GPU I/O and adding a CPU decompression step could introduce stuttering. Those titles remain rare as of 2025. For users who prefer a free option, the open-source CompressGUI provides similar functionality, though with fewer features.

Why This Matters

With NAND shortages driving SSD prices higher, compression tools become a practical workaround for budget-conscious gamers. Game Compressor provides an accessible interface for a technique that previously required command-line knowledge. The ability to reclaim tens of gigabytes without hardware upgrades is especially valuable for handheld PCs like the Steam Deck, where storage is fixed. As storage costs remain elevated, utilities like Compressor will play a growing role in managing digital game libraries.