OpenSpeedy is an open-source and free game speed tool that helps you break frame rate limitations and provides a smoother, silkier gaming acceleration experience.
- Completely free and open-source
- Easy-to-use interface
- Customizable speed multiplier
- Good compatibility with various game engines
- Low system resource consumption
- Supports accelerating both x86 and x64 processes
- Non-invasive to the kernel: Ring3 level Hook, does not compromise the system kernel
- Visit the Installation Page to download the latest version
- Extract the downloaded package to any location
- No installation required, just run OpenSpeedy.exe to use
- OS: Windows 10 or later
- Platform: x86 (32-bit) and x64 (64-bit)
- Start OpenSpeedy
- Launch the target game you want to speed up
- Select the game process, and adjust the speed multiplier in the OpenSpeedy interface
- The effect takes effect immediately. Compare the results below
default.mp4
OpenSpeedy achieves game speed adjustment by hooking the following Windows system time functions:
| Function Name | Library | Description |
|---|---|---|
| Sleep | user32.dll | Thread sleep |
| SetTimer | user32.dll | Create message-based timer |
| timeGetTime | winmm.dll | Get milliseconds elapsed since system startup |
| GetTickCount | kernel32.dll | Get milliseconds elapsed since system startup |
| GetTickCount64 | kernel32.dll | Get milliseconds elapsed since system startup (64-bit) |
| QueryPerformanceCounter | kernel32.dll | High precision performance counter |
| GetSystemTimeAsFileTime | kernel32.dll | Get system time |
| GetSystemTimePreciseAsFileTime | kernel32.dll | Get high precision system time |
- This tool is for learning and research purposes only
- Some online games may have anti-cheat systems. Using this tool may result in your account being banned
- Excessive speeding up may cause the game physics engine to malfunction or crash
- Not recommended for use in competitive online games
- Open source product does not include digital signature and may be falsely flagged by antivirus software
If you encounter any issues during use, feel free to provide feedback via:
- FAQ - You can first check the wiki to locate the issue.
- GitHub Issues - Submit issue reports
- WeChat Group
If you find the OpenSpeedy project helpful, you can buy me a coffee~ ☕️
OpenSpeedy is licensed under the GNU v3 License.
OpenSpeedy uses source code from the following projects. Thanks to the open-source community! If OpenSpeedy helps you, please give us a Star!
Disclaimer: OpenSpeedy is intended for educational and research purposes only. Users assume all risks and responsibilities for using this software. The author is not responsible for any loss or legal liability resulting from the use of this software.