MX Simulator (PC Motocross Game)

MX Simulator is an independent motocross racing sim for PC. It is sold as a registration key from its own site.

Updated Oct 20, 2026. Edited by: Ilyass Ben Hakim.

Where to buy

Try the free demo from the official Download page first. Then buy the full game from the Order page. Marketplace results are usually other motocross games.

Professional insight

Sim racers buy keys from the developer. They avoid resold or shared keys.

Use an email you will keep for key recovery.
Shared keys get deactivated without a refund.
MX Bikes is a different game and license.
A gamepad works, but many riders tune analog sticks.

Check the label

Title reads MX Simulator, not MX Bikes or MXGP.
Seller is mxsimulator.com or clearly linked from it.
Product is a registration key for online play.
Platform listed matches your PC: Windows or Linux.
Order email address is one you control.
No promise of a free or cracked key.

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MX Simulator at a glance

Developer: Josh Vanderhoof; Named in the site copyright line.
Platforms: Windows and Linux; The FAQ gives folders for both.
Key cutoff: 29 May 2009; Older buyers can request a key by form.

Specs to match

Minimum system needs listed on the official site
Part	Minimum
Operating system	Windows XP or newer, or Linux
CPU	2 GHz
Memory	1 GB RAM
Graphics	3D card with OpenGL 1.1

MX Simulator key rules

The key unlocks online play on the game servers.
One person may install it on several of their own PCs.
Lost keys are resent only to the original order email.
Do not post or lend your key to friends.

Setup tips

1Install the free demo from the official Download page.
2Enter your key in the game to unlock online play.
3Map your controller and set stick deadzones.
4Add custom tracks and bikes only from trusted community sources.

On Linux, screenshots and demos save to the ~/.mxsimulator folder. Windows users reach the same folder from the Start Menu.

Common questions

Where do I download it?: Use the Download page on mxsimulator.com. Skip mirror sites that bundle extra installers.
Can I play it on a Mac?: The official FAQ only covers Windows and Linux. Ask on the official forum before buying for a Mac.
Can two people share one key?: No. A shared key can be turned off with no refund.