Serious Sam 4 is the newly launched first-person shooter video game developed by Croatian studio Croteam and published by Devolver Digital. As the title suggests, Serious Sam 4 is the fourth edition of the Serious Sam series and the prequel to Serious Sam 3. Though the game is well optimized and available for PS4, Xbox One, PC, Linux, Mac, Google Stadia, it seems that plenty of Serious Same 4 PC players are experiencing Crashing at Startup, Won’t Launch, or Lags with FPS drops issues.
According to several affected players, the PC version of the game feels a bit buggy and laggy as well. So, if you’re also one of the victims and don’t want to wait further in order to get a patch fix from the developers then you should check out this troubleshooting guide. Here we’ve shared all the possible workarounds that would help you a lot. Now, before heading over to the guide below, let’s take a quick look at the reasons for crashing below.
Why Does Serious Sam 4 Keep Crashing?
Check out some of the possible reasons behind the startup crashing issue of the Serious Sam 4 game below:
- Maybe your PC configuration isn’t compatible with the system requirements of the game. You can check out ‘Serious Sam 4’ system requirements below.
- Possibly there are some temporary glitch or cache-related issues happening on your computer. In that case, restarting your PC should fix the problem.
- Chances are high that the game files are either corrupted or missing.
- Maybe your computer is running an outdated Windows build or graphics driver version.
- It can also possible that your DirectX version is either outdated or your outdated GPU card isn’t supporting the Direct3D Hardware Feature Level 11.0 GPU.
- Sometimes an outdated game version or the game launcher version can also cause issues.
- It’s also possible that some of the apps are running in the background with the higher consumption of CPU/Memory.
- An Antivirus program or the Windows Firewall protection is preventing the game files to run properly.

Minimum System Requirements:
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: 4-core CPU @ 2.5 GHz
- Memory: 8 GB RAM
- Graphics: Nvidia GeForce 780/970/1050 or AMD Radeon 7950/280/470 (3 GB VRAM)
- DirectX: Version 11
- Storage: 42 GB available space
- Additional Notes: Requirements are based on 720p rendering resolution at 30 FPS
Recommended System Requirements:
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit (1909)
- Processor: 8-core CPU @ 3.3 GHz
- Memory: 16 GB RAM
- Graphics: Nvidia GeForce 1080/2060 or AMD Radeon Vega64/5700 (8 GB VRAM)
- DirectX: Version 11
- Storage: 42 GB available space
Serious Sam 4 Crashing at Startup, Won’t Launch, or Lags with FPS drops
Now, without wasting any more time, let’s jump into the steps below. Keep in mind that both the Nvidia and AMD graphics drivers are well optimized for the Serious Sam 4 game. So, if in case, you haven’t updated your graphics driver yet, do this first.