Klaus Lee – Thunderballs PC Download… Blast through a neon-soaked over the top 80s reimagining of a classic 2D action platformer with the ultimate badass Klaus Lee! Strap on your jetpack, arm yourself with dynamite and unleash hell with your laser eyes in this high octane debut adventure. With brutal challenges, outrageous style, and a killer synthwave soundtrack Klaus’ first mission demands skill swagger and a whole lot of explosions. Get ready to kick ass retro style!

Game Info
- Title: Klaus Lee – Thunderballs
Genre: Action, Adventure, Casual - Developer: NUKKLEAR
- Publisher: Assemble Entertainment
- Franchise: Assemble Entertainment
- Release Date: 26 June, 2025
Early Access Release Date: 26 June, 2025
About The Klaus Lee – Thunderballs
Blast into the neon drenched, over the top ’80s action platformer Klaus Lee starring the legendary, self-proclaimed badass who trained Maverick, out partied Chuck Norris, and (allegedly) inspired Colt Seavers! Wield your experimental jetpack, dynamite, and laser eyes to conquer 100+ brutal levels filled with cursed traps, ancient puzzles, and vengeful spirits. Prove your worth in sacred temples, then craft and share your own killer levels via Steam Workshop. This is Klaus’ real origin story because Hollywood sure as hell wasn’t ready for it.
Game Features
- Myth Building Humor Klaus’ absurd résumé is the lore.
- Gameplay Punch Jetpack fuel management + laser combat = fresh chaos.
- Creator Freedom Workshop support teased as a challenge not just a feature.
- Tone-Perfect Embodies the “Fake it till you make it” energy of ’80s action stars.
Installation Instructions
- Click the green button below to be redirected to MEGA.
- Wait 15 seconds, then click on the “free download” button. Allow the file transfer to complete (note that speeds may be slower with the free plan; upgrading to MEGA will increase speeds).
- Once the transfer is complete, right-click the .zip file and select “Klaus Lee – Thunderballs” (To do this you must have 7-Zip, which you can get here).
- Open the folder that you just extracted and run the game as administrator.
- Enjoy the game! If you encounter any missing DLL errors, check the Redist or _CommonRedist folder and install all necessary programs.
Klaus Lee – Thunderballs Free Download PC Links
Download the full version of the game using the links below.
🛠 Easy Setup Guide
- Check for missing DLL files: Navigate to the
_Redist
or_CommonRedist
folder in the game directory and install DirectX, Vcredist, and other dependencies. - Use 7-Zip to extract files: If you receive a “file corrupted” error, re-download and extract again.
- Run as Administrator: Right-click the game’s executable file and select “Run as Administrator” to avoid save issues.
💡 Helpful Tips
- Need installation help? Read our full FAQ & Troubleshooting Guide.
- Antivirus False Positives: Temporarily pause your antivirus software during extraction to prevent it from mistakenly blocking game files.
- Update GPU Drivers: For better performance, update your NVIDIA drivers or AMD drivers.
- Game won’t launch? Try compatibility mode or install missing DirectX updates.
- Still getting errors? Some games require updated Visual C++ Redistributables. Download the All-in-One VC Redist Package and install all versions.
❓ Need More Help?
Visit our Contact Us page for solutions to frequently asked questions and common issues.
System Requirements
- OS *: Windows 7
- Processor: Dual Core 2.4 GhZ
- Memory: 2 GB RAM
- Graphics: Intel HD 4000
- DirectX: Version 10
- Storage: 500 MB available space
- Additional Notes: Keyboard supported. Game-pad highly recommended.
Screenshots

