A game which is played by several players. The players may be working cooperatively or competitively (either against each other or the game).

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3answers
517 views

Prevent Multiplayer Cheating

I am almost complete developing a small indie-style multiplayer game. While I intend to allow people to cheat in single-player, this is obviously not acceptable in multi-player. Does anyone know of ...
3
votes
2answers
283 views

What should I keep in mind when developing a game to be multiplayer?

I am making 2d game, and it will be a game where players can move on in a 2D world and there will be physics with projectiles and such. So far, I don't have much, just a tile engine a few other ...
3
votes
6answers
394 views

Developing an ELO like point system for a multiplayer gaming site

I'm currently working on a gaming site where users will submit virtual players for different games, like Chess, Nash, Backgammon, Go, etc. The idea is that users don't compete themselves, but through ...
3
votes
2answers
378 views

What platform should I use for a master server?

We are making a small FPS, and want people to be able to play it online and fetch a list of all servers from a master server. We only have experience in C#, and we have already written a master server ...
3
votes
2answers
804 views

How to synchronize clocks in multiplayer game?

I have 2 to 3 clients, that can exchange messages through Apple Game Center. The only synchronization I need is: start the game at the same moment. I guess this involves clock synchronization. How ...
3
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2answers
4k views

Real-time multiplayer game server development [closed]

I'm an Android developer, and I want to start developing a real-time multiplayer game, like Pocket Legends. Would this type of server be good for a real-time multiplayer action game - ...
3
votes
3answers
411 views

Suitable Client Server setup for Network Game testing

I want to test my Client/Server game for which, currently, I am using localhost for both Client and Server. Obviously I'm not getting any fluctuation in data and measure idea of performance, and in ...
3
votes
3answers
306 views

How can multiple clients be out of sync if they use the same RNG seed?

I have been working on a client-server architecture to enable LAN play for my open source game, Aigilas. In its current state, players stay synced in all running instances of the game but enemies and ...
3
votes
3answers
196 views

Will making players pay a virtual currency before entering a match discourage them from playing?

I'm making a multiplayer match-making game, and by my current design, people will need to pay a small fee before joining a match. At the end of the match, the team that won will get the money. That ...
3
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2answers
232 views

Client side prediction/simulation Question

I found a related question but it doesn't have what I needed. Client A sends input to move at T0. Server receives input at T1. All clients receive the change at T2. Question: With client-side ...
3
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2answers
487 views

Elegant way to handle packet loss in a lockstep P2P RTS?

What's an elegant way to handle packet loss in a lockstep simulation peer-to-peer RTS where only player input data is sent over the network? For example, let's say it's tick 1000 and player 1 sends a ...
3
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2answers
2k views

What Java library provides a high-level communication interface suitable for use in an action-game server?

I need to write a server for an action game, which needs fast communication with the client. There will only be one server, and I'll split the world in zones. The client will be written in Java using ...
3
votes
3answers
662 views

Required Security Precautions for Flash / AS3 Multiplayer Game

I have created a couple of games in Flash/AS3 and am playing with programming a flash-based multiplayer (possibly mmo?) game where the application will communicate with a server over a socket ...
3
votes
1answer
184 views

What advantages are there to the one-port-per-client approach for a multiplayer server?

There are a few older games (Quake III and Hexen II to name a couple) where the server assigns a port per player. Are there performance advantages to this? I suspect there may be, since Carmack & ...
3
votes
1answer
173 views

Rate-limiting players actions in a multiplayer game

I'm thinking about building a multiplayer game with combat between players and monsters. Actors need to have a maximum actions per minute, otherwise users could cheat by holding down the attack key. ...
3
votes
2answers
724 views

What is dead reckoning and how do you deal with it?

I've come across this problem before and it would be good to know the different ways of solving this problem.
3
votes
1answer
86 views

How to setup a client to work with a remote server or a local included server?

I'm working on a Networked multiplayer game, but while developing and for testing I want to set up a local server that acts like the multiplayer server. My thought is to approach the server as a ...
3
votes
2answers
241 views

Get timing correct with client side prediction

I believe I've got my head round CSP after reading Gabriel Gambetta's blog, Valve article and buildnewgames.com but having an issue understanding the time execution of everything. So if a player ...
3
votes
1answer
68 views

Player ranking using ELO with more than two players

I would like to use ELO to track player rankings between matches of a certain game, however the game can be played with up to four players in a match. I have seen games like Carcassonne use ELO with ...
3
votes
2answers
170 views

Implementing a multilanguage AI contest platform

This is a followup to this question. To sum: I'm implementing an AI contest site, where each user may submit several AI implementations for different games. Think about Google AI Challenge but instead ...
3
votes
4answers
1k views

Red5 or zendZMF or BlazeDS or Cirrus?

I've been trying to develop a multiplayer turn based game which is mostly free to play - I just want to see if the game idea is appreciated - hence I want to do it with minimal cost and I'm confused ...
3
votes
2answers
448 views

How to make a chat lobby in my game?

I'm writing my own RTS game in Delphi. Single-player part is almost done and works well and I'm thinking about adding multi-player to it now. There's going to be a lobby where players should be able ...
3
votes
2answers
688 views

client/server Silverlight turn based game - domain model question

I am making multiplayer (2 players) Minesweeper like the one that's available on MS Live Messenger. Client side is going to be silverlight, server side will be MVC Application. Client (the one who is ...
3
votes
1answer
255 views

Architecture of an action multiplayer game from scratch

Not sure whether it's a good place to ask (do point me to a better one if it's not), but since what we're developing is a game - here it goes. So this is a "real-time" action multiplayer game. I have ...
3
votes
1answer
355 views

Network Game testing via Wireshark

How can i check/inspect the performance of my network game via Wireshark and specifically the Graphs available in Wireshark,i want to test the performance of my network game. which kind of graphs can ...
3
votes
1answer
440 views

Validating multiplayer actions when using Javascript Game Engines client-side

I am using one of the many javascript game engine (impactjs, craftyjs, melonjs, easeljs etc) out there to handle the animation client-side. And I have a way of calling server-side functions and ...
3
votes
2answers
747 views

Determinism in multiplayer simulation with Box2D, and single computer

I wrote a small test car driving multiplayer game with Box2D using TCP server-client communcations. I ran 1 instance of server.exe and 2 instance of client.exe on the same machine that I code and ...
2
votes
4answers
453 views

Alternatives to a leveling system

I'm currently designing a rough prototype of a mecha fighting game. These are the basics I came up with: Multiplayer (matchmaking for up to 10 people, for now) Browser based (HTML5) 2D ...
2
votes
2answers
938 views

FPS networking with server sending input instead of gamestate

Why do all fps games have the server send gamestate instead of input which is smaller? One reason I can sort of see is that if the server sends input to the clients and a packet gets dropped then the ...
2
votes
2answers
168 views

What sort of data should be sent for mouse-based movement in a multiplayer game?

I'm new to the Multiplayer Rodeo here so please bear with me... I am just getting started and I'm trying to figure out how to deal with movement. I've looked at the question Best way to implement ...
2
votes
1answer
292 views

How to structure (the code in) a multiplayer game

I'm working on a rather small project where we will be developing a small engine, a client, a server and an editor of some kind. It's a component-based 3D engine with basic systems like Rendering, ...
2
votes
1answer
233 views

How should bots be recognised in a game?

I'm interested in how bots are usually written. Here's my situation: I plan to make an online 2D mecha game in HTML5, and the server-side will be done with node. It is intended to be multiplayer, ...
2
votes
4answers
426 views

Creating a top-view racing game, do I have the right ideas, any suggestions?

I am creating a top-view, multiplayer, arcade-ish racing game, and I want to know if you guys think that I am on the right track, or not. It will work basically like this: -There are 3 races, and one ...
2
votes
1answer
604 views

Scripting for a C#, multiplayer game

I have a multiplayer game written in C# and we've recently been creating a lot of content but have been looking for a way to give our entities customization logic that the designers can hook into. I ...
2
votes
1answer
313 views

Better ways of handling the server for a Multiplayer Browser Based Game [closed]

I am looking to create a multiplayer browser based game, similar to tribal wars and such, and i'm trying to think of better ways of handling the server, for example when troops and buildings are ...
2
votes
1answer
2k views

Multiplayer XNA without a LIVE account? (PC)

I decided it was time to stick in a bit of multiplayer into my game, but came across my first hurdle when i quickly downloaded an example from the XNA website. It prompted me with a login to live. ...
2
votes
1answer
174 views

Does concurrency inherently introduce “randomness” into a game?

When a game is implemented with concurrency (as most games are), does this necessarily, by its very nature, introduce an element of randomness into the game that is outside of the players' control? ...
2
votes
2answers
301 views

Which platform and what strategies can I use

There's this game, that I've been wanting to make for quite some time. It's a project that I've started and had to abandon in the middle a couple of times. However, this time I'm determined to finish ...
2
votes
2answers
540 views

How to achieve smooth gameplay in a physics based multiplayer game? (2d)

I'm using cocos2d 2.0 and Gamekit for networking. I've got a server/client model. It works over wifi (local) and bluetooth. (Xcode 4.3, Objective C) Basically, there's a ball and 2 or more players. ...
2
votes
1answer
244 views

Client Server UDP Jumping

I don't really think this is an issue with the fact that UDP can drop packets (I'm using Lidgren and using ReliableInOrder), but basically, in my game, the client send the input keys (if forward is ...
2
votes
1answer
535 views

Real-time UDP multiplayer games: ping measurement?

In real-time multiplayer games that use UDP for the actual game (CS:S, UT, etc.), how is network latency (ping) measured? More specifically, how do you find out how long ago a UDP packet was sent? ...
2
votes
2answers
320 views

How often to SendData() in my peer-ro-peer XNA game?

Currently I call myLocalNetworkGamer.SendData(myPacketWriter, ...) every Update(). 60 times a second sounds too much. Is there an inbuilt way to only send less often? How often should network ...
2
votes
1answer
264 views

What is wrong with my technique for transmitting server and client game state?

I'm doing a network implementation of a fast-paced game. I have a puck on bot the server and client side of the simulation. I want to update the client puck position only if they are on the same ...
2
votes
1answer
93 views

How do I manage multiplayer login?

How is the typical login, loading the level and spawning handled? For example: Client sends "iwanttologinwithcharacterx" Server does some validity checks and instantiates characterx Server sends ...
2
votes
2answers
252 views

Sync clocks on a real time multiplayer game - Is this ok?

I'm developing a multiplayer game through Gamecenter in unity with prime31 plugin. This is how I sync the clocks of the two players (right now there will only be 2 player in one match), and I wanted ...
2
votes
3answers
466 views

What's an efficient way to represent game state for networked games?

I've done a little bit of network coding for games before, but primarily with TCP for games that don't really need to simulate real-time interaction. I am working on a (somewhat) simple 2D Java game ...
2
votes
1answer
249 views

Server related questions and it is available options?

i went thru a lot pages here searching for information about the "server side" of a multiplayer game, while i did found some information they were not exactly what i was looking for. What is the ...
2
votes
1answer
811 views

Google Cloud Messaging (GCM) for turn-based mobile multiplayer server?

I'm designing a multiplayer turn-based game for Android (over 3g). I'm thinking the clients will send data to a central server over a socket or http, and receive data via GCM push messaging. I'd like ...
2
votes
2answers
313 views

Game Database Connectivity Java

I'm developing a simple multi-player puzzle game in Java. Both players should be able to view the same game board on his own computer. Then, when one player makes an action in the game (ex. drags an ...
2
votes
2answers
849 views

How to build a turn-based multiplayer “real time” server

I want to build a TCG for mobile devices that is multiplayer over the web (not local wifi or bluetooth). As a player plays cards I want the second player to see what is being played in "real time" ...