1. K

    Job Offer - Programmer [PAID] Network Engineer (Steam P2P, GMS 2.3)

    Hello GameMaker Community, I am representing Konologic LLC in the search for a network engineer to work on our zombie-survival game Hordeville. We are looking to use Steam P2P to have real-time online multiplayer available, along with a server browser of public sessions. Pay 20USD/hr...
  2. R

    GMS 2 Multiplayer over WAN?

    I am trying to set up multiplayer for a 2d platforming party game. So far it works great over LAN connection, but when I tried to play with my friends across the internet, nobody was able to join the server. When I discovered the problem, I thought that connecting to my public external ip...
  3. Luke Pierson

    Networking Help

    Hey there! I’m working on an online multiplayer rts and have some experience with networking in gml. I have it so there’s a server that clients can connect to, they can enter a match with each other, they can message each other, and even move units around with the other player being able to see...
  4. CC_Developer

    Asset - Extension Multiplayer Plugin Beta

    Hello GM Community: We are working on a multi-player drop-in for GM2. We originally built it for Unity but since they have gone public they are impossible to work with. The basic concept is an easy development drop-in that provides data, audio, and video capability with no other necessary...
  5. Armyk

    GMS 2 Why is my client side interpolation glitching out? This bug is keeping me up night for too long.

    video: I have recently dabbled into networking and multiplayer and I just can't figure out why is my client side interpolation glitching out. (the video) The client sends keyboard inputs to the authoritative game server, the server receives and processes the inputs fine, then it sends the...
  6. DonMaklesso

    [SOLVED] Sending surface over network

    Hi, I've been trying to send an application_surface in a buffer (I'm using a server-client system) and displaying it in the client's game so that he would "see what the server sees" but this doesn't seem to work. It doesn't crash or anything just nothing happens. Here's the code: // Server -...
  7. zendraw

    Android online/multiplayer on android

    is it possible with gms2 to make a game where we have a server and people can play with each other thru that server on theyr android devices? pretty much how you wuld do it on PC. also is it possible to make items that people can purchase with real money from within the game? basically i will...
  8. J

    GMS 2.3+ Server for a multiplayer game

    Hey! I'm creating a little videogame with multiplayer and I'd like to learn how to make a "public" server to play with anybody. I was thinking about Ubuntu hosting, but I'm not really sure. Maybe a raspberry pi with Ubuntu is another good option. Thanks a lot!
  9. 3

    How to create Lobby for Multiplayer

    I want to start on a small multiplayer project. My goal is to play with about 3 to 6 friends online. The idea is that if no servers exists in the lobby one player creates the server which then shows up in the lobby and the other ones can join. Is this even possible to achieve with game maker...
  10. Gravityhamster48

    Waveslash - Minimalist Pixel Art Fighter

    Waveslash is my upcoming fighting game about dashing into your opponent to slash them to pieces. Features: 1 - 4 Player Versus Battle 4 Stages Play against your friends or the AI Keyboard+Mouse and X-Box Controller Support Customizable Controls On the Workbench: Arcade Mode Fight AI...
  11. Z

    Legacy GM Can't get GMnet Engine to work.

    Hey, i'm trying to add GMnet into an existing Game. I've read this manual ( and followed all steps. GMnet PUNCH is not enabled. I'm able to create a server with port 6510. everything is fine untill i try to connect with a client. both instances get an...
  12. S

    Developing on windows, exporting to Mac

    I'm making a game on a windows machine, but I'd like to export to Mac. I have a license that should allow me to do so, but when I export on my machine it automatically makes it a windows-only version. I tried installing GMS2 on the Mac I have access to, moving the project to that computer, and...
  13. Infernobomb

    SOLVED Setting up multiplayer with Steamworks using Steamworks.gml by YellowAfterlife

    I have a multiplayer game using Gamemaker Studio 1.4 with the 39dll, but am hoping to change over to Steamworks using the Steamworks.gml extension. I have downloaded the repo and following the instructions have tried importing the extension, but whenever I try and compile the project I get this...
  14. DrNegative15

    GMS 2 Issues with 'Movement and Collision with Multiple Moving Objects'

    Issue 1: Order of instance code execution affects movement behavior. Visual Aid for Issue 1: Scenario: 4 block instances are lined up one directly behind another and all are going to move together in the same direction. First they will all be moving to the right. (left side of...
  15. F

    Legacy GM (Gamemaker 8.1) How to make a multiplayer character select?

    How can I make a multiplayer character select in which one player host a game, others joins then everyone must select a character to start and they cannot select the same character
  16. solarcrispz

    GMS 2 Attempting to write outside buffer, line -1?

    Hey guys I've been putting together a multiplayer game with pretty good success. I've encountered "attempting to read from outside buffer, returning 0" errors before, but they're never as ambiguous as the one I'm consistently running into recently. Here it is: FATAL ERROR in action number 1 of...
  17. P

    Facebook Instant Chess Networking

    Hi to all. I have a big problem regarding networking and hope community can help. We made a chess game and we want to publish it as a Facebook Instant game. We have managed to do a little basic PC to PC, Android to Android, and Android to PC connection. The problem is HTML5 networking. We...
  18. C

    GMS 2.3+ Async atomocity?

    I am making a multiplayer game. Client #1 is constantly scanning for instances of object X. Client #2 asynchronously destroys one of those instances after it was already read on client 1. Then I get an undefined error when trying to reference it because that pointer obviously points to a...
  19. K

    GML Im making multiplayer game, but i dont know how to make that players would have moving sprites.

    I did all other things, but i only dont know how to make other players have sprite when they are moving? I can send project if you want. I did everythink like in this tutorial(there ), with some tweaks, but they dont matter:
  20. huenix

    Multiplayer Player Specific Objects/Layers with Networking Server Client issues....

    Hello..... i am making a multiplayer board game or sorts. What is done/working: -server/client buffers passed back/forth between each player (movement, sprites, etc) What I can't figure out and trying to do: -Player "A" and "B" are standing next to each other, both next to a room, with a...