About the Game

Welcome to the world of high-stakes tuning and street racing! Welcome to Underground Garage! It's your playground where you can unleash your creativity and mechanical prowess. Fix cars, tune them up, and hit the road to test their build to the limit. Start out by doing jobs for customers, mechanic work, and making a name for yourself in the scene by racing through the night. Then, when the time comes, build and expand your own underground garage.
Every car is a masterpiece waiting to be tuned and modified. Enjoy 20 different authentic and finely detailed cars, including sports cars, sedans, compacts, and muscle cars. Master mechanics where every change matters and impacts how your cars handle on the street. Each car is built from dozens of parts and features realistic collision damage to the engine and body. Rotate, disassemble, and reassemble thousands of different styles and interactive parts to fill customer orders or to build the car of your dreams.
From spoilers to neon lights, everything is available for customization. Leave your personal touch on the cars you work on and stand out in style with a wide range of stickers, colors, and decals. Experience the zen of authentic simulation as you bring cars to life with precision and care. Experiencing power trouble? Test the battery and repair or replace it if needed. And don't forget to check the oil, fuel, coolant, and brake fluid before you hit the road.
When you're done, join an illegal race via the job menu or around the city, and feel the rush of adrenaline as you push your machines to their limits on the street. Get to know the city in free roam and test your skills in different street racing event types, such as time attack, duels, practice, and classic racing. Dominate the streets by challenging the limits of your finely-tuned cars. Complete quests and discover all the hidden secrets around town, including a variety of shops and junkyards to explore. Earn money, prestige points, and experience with every job, and upgrade your garage, buy parts, or acquire your own cars. Unlock new content with your progression and skills.
RUN YOUR OWN WORKSHOP
Become a garage owner and use your hard-won cash prizes to upgrade your garage, tune cars even more finely, and become the city's hottest mechanic. Set up specialized workstations and optimize your workflows to generate more income that you can then invest in better black market equipment.
HIGH-SPEED STORYMODE
Underground Garage story mode puts you in the role of a talented auto mechanic looking for a job and a way into the car tuning scene. Your friend Deb gives you a shot to prove yourself, but when her workshop is destroyed, you help her get back into business and hunt down the criminals responsible to exact justice. Hiding somewhere in the car tuning and night racing scene, you need to challenge and beat them to rebuild your underground garage empire.
FEATURES
Become a car mechanic and expert tuner
20 authentic vehicles
Work on 15 highly detailed engines
Work with vehicle fluids
Highly detailed car customization
Open world with challenges
Test your skills in high-speed street races
3 race modes: practice, time attack, and racing
Place bets on your success and cash in
Cars, engines, and parts modding
Screenshots
21 images
Version Information
Steam Patch Notes
Official update history
Good news: We just released a small update including some additional fixes and game improvements.
Patch Notes:
Fixed: The game crashed once after trying to start a duel race at the "Race Hub Hotel Bay" while betting the Volf - fixed
Fixed: Engine could become non-interactable while swapping randomly
Fixed: Car stucks in the cabinet corner
Fixed: Nexa Cloud A23 missing battery marking issue has been fixed (battery was in different spot)
Fixed:
✔️The Heist – Luka's text not displaying
✔️Language switching to German automatically
✔️NPC cars spawning in mid-air during the first race
✔️Nexa Cloud A23 – no option to drain/fill coolant
✔️Kaiser XCI – refueling requiring trunk interior removal
✔️Vehicles being thrown or flipped when hitting curbs
Thank you for your continued feedback and support. More improvements are on the way.
Hello everyone!
We are back with more fixes:
Destructible environment after triggering no longer affects car physics
Race hub can no longer be opened during a race
Diagnosis at repair stations now hides repaired parts
Fixed collision errors during mechanic mode
We're preparing two updates: one with bugfixes and another to polish the racing features. If you're interested in helping us shape the future of Underground Garage, we'd love to have you join our beta testing program!
How to Join the Beta Test?
It’s super simple:
#Open-ticket in the support channel and write "Underground Garage Tests"
Our team will grant you the Beta Tester role, unlocking access to dedicated testing channels.
Your feedback mean the world to us, and we can't wait to see what you think of the new features!
Hello!
We've fixed issues with racing and racing missions getting stuck/blocked.
We're preparing two updates: one with bugfixes and another to polish the racing features. If you're interested in helping us shape the future of Underground Garage, we'd love to have you join our beta testing program!
How to Join the Beta Test?
It’s super simple:
#Open-ticket in the support channel and write "Underground Garage Tests"
Our team will grant you the Beta Tester role, unlocking access to dedicated testing channels.
Your feedback mean the world to us, and we can't wait to see what you think of the new features!
We've fixed the lift control bug and added a racing hub.
We're preparing two updates: one with bugfixes and another to polish the racing features. If you're interested in helping us shape the future of Underground Garage, we'd love to have you join our beta testing program!
How to Join the Beta Test?
It’s super simple:
- Join our Discord server.
- #Open-ticket in the support channel and write "Underground Garage Tests"
- Our team will grant you the Beta Tester role, unlocking access to dedicated testing channels.
Your feedback mean the world to us, and we can't wait to see what you think of the new features!
We’re back with a round of hotfixes!
Bug Fixes - 02.06.2025
- Car Frame Dismantling Changes
- Mission cars: You can no longer remove/keep the frame after dismantling
- Engine blocks can now be properly installed/attached
- Various related bugs in the engine building process have been resolved
- Additional minor fixes
All the Best,
The Underground Garage Team
We've just pushed out a hotfix addressing several issues that popped up after yesterday’s major patch. Thanks for your patience and quick feedback!
Please continue reporting any problems you encounter—we’re here and listening!
Changelog – 28.05.2025
General Fixes & Improvements
- Fixed 130 error crash issues.
- Fixed wheel in diagnosis.
- Fixed crash when building your car from scratch.
- Fixed crash related to selling multiple items in a short time.
- Crash fix related to quest 7.
- Fixed bindings issues.
- Fixed delivery teleport.
- Fixed quest 7 and quest 7 screw logic, additional retest.
- Fixed build invisible hinges.
- Fixed missing code for nested wheel items.
- Fixed minimap icon.
- Fixed missing coil springs item data.
- Fixed engine placement update in car statistics.
- Removed flywheel before removing engine (text update).
Performance & UI
- Increased frame rate cap, disabled smooth frame rate.
- Further improved frame rate cap, disabled smooth frame rate in additional areas.
- Set reflector lights dynamic emission to 1. Added safeguard for reverse lights turning on.
- Updated Stop Lights Balance.
Inventory & Item Data
- Fixed inventory not reloading whole equipment when selling parts.
- Fixed prices for basic rims and matching wheel assets.
- Fixed wheel prices from nested item summaries.
- Fixed st02 frame price.
- Updated and validated RollCage and hierarchy for various items (ST01, ST05, ST32).
- Updated itemData, now working as intended.
- Updated translations.
New & Updated Features
- Implemented a new algorithm for procedurals.
- Added ability to build your car from scratch.
- Fixed invisible hinges during build.
- Updated quest logic and final quests.
- Removed primitive component in material assignment methods in favor of uMeshComponent.
- ECU indicator bug fixed. Now deletes save when loading with bug.
- Added/updated engine put/remove updates for car statistics.
Miscellaneous
- Minor ini file updates.
- Various code and content cleanup.
We're back with another hotfix, and this one’s all about making your experience smoother and more enjoyable! We’ve made some critical optimizations and gameplay improvements based on your valuable feedback. Here’s what’s new:
Optimization Improvements
- Optimized car stickers and general VRAM usage for smoother performance.
- Improved world loading range and fog effects to enhance visual quality and performance.
Gameplay Changes
- Updated the process for mounting and dismounting wheels: tires are now mounted and dismounted together with the rims, removing the need to separate them.
We’re also hard at work on upcoming updates, including new physics, tasks, and cars! Your feedback helps shape the future of the game, so keep it coming.
Thank you for your support, and we hope you enjoy the improved performance and smoother mechanics.
See you in the garage!
– The Underground Garage Team
Fixed Car Exiting
- Issues when exiting vehicles have been resolved, making transitions smoother.
Mission Blockers
- Resolved mission issues in Ride Along, On Your Own, and Turning the Gears that were halting progress.
Ongoing Improvements:
- Realistic Physics for tires, fluids, and driving for a more authentic feel.
- AI Races and Story Depth upgrades for a more dynamic experience.
If you encounter mission blockers or bugs, please verify the integrity of your game files on Steam. Your feedback helps us polish Underground Garage—keep it coming!
Thank you!
We’ve just rolled out a new hotfix with fixes and improvements:
Hotfixes & Updates:
- Economy Manager: Fixed corrupted save issue causing money to go below zero.
- Quest Tracking: Improved system to allow multiple markers at once.
- Money Glitch: Resolved glitch that occurred after buying a car.
- Tuning Missions: Adjusted to be slightly less challenging.
- Car Parts Fix: Removed floating screws from ST32_ControlArmLB+RB.
- Onboarding for Tuning: Minor improvements.
- Quest Flow Improvement: Automatically tracks updated non-tracked quests.
- Early Access Screen: Minor updates to the early access screen.
- Early Access UI: Minor updates to the access screen layout.
- Brake System Update: Increased upper stock, Tier 1, and brake drum braking torque.
- Minor Fixes: Validated small fixes.
- Garage Hub: Fixed an issue where the car could get stuck in the corner and couldn’t be clicked on.
- Fixed an issue where Deb would stay on the lift if she was in the car.
Thank you for your feedback, trust, and support! We truly appreciate all the comments we've received, and we're actively analyzing everything. It’s great to see that many of you find the game promising, and we'll do everything we can to make it even better both during Early Access and for full release. Stay tuned for more updates!
Cheers,
The Underground Garage Team
We have a day one patch for you:
Fixes
- Fixed an issue with the Hotch Rider's exhaust system that prevented proper disassembly and assembly.
- Resolved a bug in Mission 9 where progress was blocked during sandblasting of a cars bought at the junkyard.
Cheers,
The Underground Garage Team
Current Release
Build 22328128
Uploaded Jun 29, 2026
System Requirements
How to Install
UndergroundGarage.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
12.0 GB
22328128
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