Make something rad in garry's mod
Build a cool Garry's Mod obstacle course using props, ramps, and simple physics tools; test, adjust, and share your favorite creative run.
Step-by-step guide to build a Garry's Mod obstacle course
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Step 1
Launch Garry's Mod and load a new game on an open map such as gm_flatgrass.
Step 2
Press Q to open the spawn menu and choose a clear flat area to build your course.
Step 3
Spawn a large ramp prop and place it where you want the start of the course to be.
Step 4
Equip the Physics Gun and move the ramp until its angle and position look right.
Step 5
Equip the Tool Gun and use the Weld tool to attach the ramp firmly to the ground.
Step 6
Spawn platforms and narrow beams and place them in a line to create tricky sections.
Step 7
Add fun obstacles like spinning props or swinging items using the Motor or Thruster tool.
Step 8
Secure any moving parts or loose props with the Weld tool so they stay where you put them.
Step 9
Add small props or signs to mark the route and make the course look awesome.
Step 10
Test the course by running from start to finish as your player or in a vehicle.
Step 11
Fix problem spots by moving props or adding supports, then test the changed area again.
Step 12
Share your finished obstacle course on DIY.org with a description and a screenshot.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
Help!?
What can we use if we can't find gm_flatgrass or a large ramp prop?
Use any open sandbox map such as gm_construct instead of gm_flatgrass and spawn any elongated prop to act as a ramp, then position it with the Physics Gun and attach it with the Weld tool.
Why do my props wobble or fall over when I test the course and how do I fix it?
If props wobble or fall during testing, re-weld the ramp and loose pieces with the Weld tool, add extra supporting props or use Axis/Rope constraints from the Tool Gun, and lower Thruster power or remove unstable motors.
How can I change the activity for different age groups?
For younger kids let them spawn a ramp and a few platforms and move them with the Physics Gun, while older kids can build trickier sections, add Motor/Thruster obstacles, weld moving parts, and test with vehicles.
How can we make the obstacle course more exciting or unique?
Decorate the route with small props and custom signs, add spinning or swinging obstacles using the Motor or adjustable Thruster tool, and take a screenshot and description to share your finished course on DIY.org.
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Facts about game design and modding for kids
âď¸ Fans share maps and contraptions on the Steam Workshop, where popular GMod creations can get thousands of downloads.
âď¸ The Source engine gives GMod its physics toolsâplayers can weld, motorize, and constrain props to build weird machines.
đŽ Garry's Mod started as a Half-Life 2 mod by Garry Newman and became a standalone game in 2006.
đ Obstacle courses (often called 'maps' or 'kz'/'bhop' runs) push timing and creativityâspeedrunners make super-fast runs.
𧪠Tiny tweaks to ramp angles or prop weights can totally change a runâperfect for testing, adjusting, and experimenting.
How do I build a cool Garry's Mod obstacle course (prop run)?
What materials and tools do I need to make a Garry's Mod obstacle course?
What ages is this Garry's Mod activity suitable for?
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