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In Main Assembly if you can imagine it, you can create it! You’re the engineer to build, break, destroy and enjoy! Create robots without limitation, cars, planes, or giant animatronics- ANYTHING! Once you’ve built them? It’s time to pilot them through multiple sandbox areas or push them to breaking point in challenge mode.

Main Assembly

You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions. Engineer each and every appendage with powerful visual programming letting you dictate the bots every move. When you’ve completed your masterpiece, open the world builder and craft the ultimate obstacle course to push your bot to its limit.

Alone or with fellow inventors, envision your design then make it a reality.Create a world in which your bots will be challenged.
Craft tracks for racing or complex obstacle courses that tease out all those lovely design flaws you didn’t know you had.
Show off your designer skills first-hand with up to three friends. Build worlds together to challenge each other's bots in different obstacles courses and tracks. Or smash each other's creations into metallic pulp (more coming soon).
No friends? No problems. We’ve created a single-player mode with over 100 challenges to test your inventions.
Don’t panic, we don’t expect you to code in C# (we’re doing that). In fact, it’s entirely optional, but if you’re up to the challenge we’ve designed a powerful visual programming tool for you to enhance your creations.
Add (or take) from the thousands of already created bots and worlds hand-crafted by our dedicated fans from all over the globe.
If you want to test the limits of your construction, then drive it off a cliff.

Minimum Requirements:

Requires a 64-bit processor and operating system
OS: WINDOWS® 7 (64-bit)
Processor: Intel® Core™ i3-4160 or AMD equivalent
Memory: 4 GB RAM
Graphics: NVIDIA® GeForce® GTX 750 or AMD equivalent
Storage: 3 GB available space

Recommended Requirements:

Requires a 64-bit processor and operating system
OS: WINDOWS® 7 (64-bit)
Processor: Intel® Core™ i5-4460 or AMD equivalent
Memory: 8 GB RAM
Graphics: NVIDIA® GeForce® GTX 970 or AMD equivalent
Storage: 3 GB available space

Main Assembly uses the Unreal® Engine. Unreal® is a trademark or registered trademark of Epic Games, Inc. in the United States of America and elsewhere

(©)Bad Yolk Games AB 2020. Main Assembly™ is a trademark of Bad Yolk Games AB

To activate the Steam key you've received, follow the instructions below;

First up, open the Steam client. (If you don't have it, simply click the "Install Steam" button here => Steam Store )
Sign in to your Steam account. (If you don't have one, click here to create a new one => Steam Account)
Click on the "ADD A GAME" button in the bottom corner of the client.
Then, select "Activate a product on Steam..."
Write down or copy-paste the activation key that you've received from %s in the window.
Your game is now visible in your library! Click on your "Library".
And finally, click on the game and select "Install" to start your download.