GMTower - Source Karts

What is it?

Source Karts is an action-packed kart racing gamemode designed for Garry’s Mod Tower. With fast paced racing combined with the twists and turns of our state of the art anti-gravity track system, Source Karts aims to bring that feel-good kart racing experience to Garry’s Mod to play with your friends.

Source Karts brings you:

  • 14 Action-packed power ups!
  • Custom made fine-tuned kart physics with drifting, jumping and boosts!
  • Anti-gravity track physics (drive on walls)
  • 2 Maps at launch, and many more to come in the future!
  • Support up to 6 players!
  • Race AND battle mode!

With all of these features combined, it’s safe to say that Source Karts is the primary choice for your kart racing experience in Garry’s Mod.

Sounds AWESOME! How Do I Play?!

It’s easy! Simply subscribe to our GMTower Collection and join the official GMTower server!



MacDGuy (Lead Programming / Design)
Matt (GameDev) (Level / Environment Design)
Lifeless (Level / Environment Design)
Steffen (Aigik) (Models)
Zak (Programming)
Clopsy (UI Design/Artwork)

Sam (Additional Programming Assistance)
Foohy (Additional Programming Assistance)
Voided (Additional Programming Assistance/Optimization)

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Note: We’re still kinking out some bugs. Bear with us as we get everything improved. Thanks!

Here’s an in-depth demonstration of the gravity system from a while back:


I love the cards effect when getting a powerup.

This is why I love Garry’s Mod.

This is why I wish to play GMTower, but I can’t due to ping.

I’ve waited so long for this! GMod Tower is just brilliant!

Looks awesome, can’t wait to try it.

Wow, that UI. (One of the best I’ve seen in Garry’s Mod)

Trailer music is DGTO - Moonrise if anyone was wondering, dudes got some dope beats. Hope to see you all on the server!

take a look at this people, not all gamemodes have to be derp rp zombie edition ripoffs to be in garrys mod. im finally seeing some new things here, its great.

It’s so hard to believe this is still Garry’s Mod, great job!

Holy hell, look at this. This is amazing.

It really is hard to believe that GMod Tower is still Garry’s Mod.

Could we stop using the word “derp”? It’s a pretty stupid word.

Regardless, this thing looks amazing, and reminds me a little bit of Mario Kart: Source.

very well designed, well scripted, very professional. excellent work, this is resume quality content.

They are the creator of Gmtower. Ofc it is quality so good those guys are at coding

i used it because i change the A from darkrp to an e, which is simple and everyone knows what im referring to. I dont blame Dark rp itself for the problems it has, its just that most people who use it that are complete morons.

Looks great! Can’t wait to play it on the server even though my internet can’t really handle it that well and my laptop isn’t the greatest when it comes to performance but oh well

It’s still a HUGE improvement over “Source Karts Classic.” (the one with dev textures and standard HL2 carts you know the one)

Well, Seems the server is down atm, So its time to wait for it to pop right back up.