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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4answers
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Simplest most effective way to rank and measure player skill in a multi-player environment?

I know of the Truskill algorithm, it's quite complex but effective. My question is there other algorithms/methods to determine a players skill for accurate measuring for multi-player competitive ...
8
votes
6answers
3k views

Which server platform to choose

I'm going to write a server for an online multiplayer with these requirements: Pretty simple turn based game (think a card game) that is played entirely on the server (security reasons) Must be able ...
8
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3answers
2k views

Best peer-to-peer game architecture

Consider a setup where game clients: have quite small computing resources (mobile devices, smartphones) are all connected to a common router (LAN, hotspot etc) The users want to play a multiplayer ...
8
votes
4answers
212 views

Sending state diffs (deltas) and unreliable connections

We're building a realtime multiplayer game, in which each player is responsible for reporting its state on every iteration of the game loop. The state updates are broadcasted using unreliable UDP. ...
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votes
2answers
4k views

How to structure a simple game server for a multiplayer game?

I would like to create a simple multiplayer game server for a simple game: The game is supposed to be similar to Command & Conquer, you have a few tanks and a few soldiers. You can select one ...
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5answers
1k views

Networking in Flash games. Socket or Stratus?

Working on a prototype for a Flash game that will use networking communication. It would be better to use Peer 2 Peer connection, since it will be a multiplayer game. Has anyone used Stratus or tried ...
8
votes
4answers
444 views

Clientside anticheating in multiplayer game 1vs1

I'm developing a simple card game, where there will be a matchmaking system that will put you against another human player. This will be the only game mode available, a 1vs1 against another human, no ...
8
votes
3answers
400 views

How to prevent a hacked-server from spoofing a master server?

I wish to setup a room-based multilayer game model where players may host matches and serve as host (IE the server with authoritative power). I wish to host a master server which tracks player's ...
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2answers
3k views

Is it possible to develop multiplayer games with HTML5?

I know HTML5 is great for web games, but I don't really know if it's possible to develop online games with multiple users, keeping everybody synchronized and handling logins, et cetera. Is it possible ...
8
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3answers
337 views

How important is online multiplayer?

I am making a small game that has four players. It can be played with 1 or 2 players locally, with the remaining players controlled by AI. I am considering online play, but it is an area I know very ...
8
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3answers
3k views

Realtime multi-player game design principles for Node.js

I've been reading the Valve article on multi-player networking which has been adapted from Yahn Bernier's 2001 paper called Latency Compensating Methods in Client/Server In-game Protocol Design and ...
8
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2answers
3k views

Online multiplayer game basics [closed]

I'm currently working on a c# online multiplayer game in real-time. The aim is to have client/server based connection using the UDP protocol. So far I've used UDP for players' movements and TCP for ...
8
votes
3answers
432 views

Is it feasible for a Server to send nothing more than a tile-based area to a Client?

To start, I have a good amount of background in networking (hardware, routers, ex.) but very little knowledge past the basics of network programming. This may seem like a stupid question, but I want ...
8
votes
1answer
225 views

What data should be cached in a multiplayer server, relative to AI and players?

In a virtual place, fully network driven, with an arbitrary number of players and an arbitrary number of enemies, what data should be cached in the server memory, in order to optimize smooth AI ...
8
votes
1answer
119 views
+50

How would a game-state snapshot system be implemented for networked real-time games?

I want to create a simple client-server real-time multiplayer game as a project for my networking class. I've read a lot about real-time multiplayer network models and I understand the relationships ...
8
votes
2answers
912 views

Network Multiplayer in Flash

Flash has come a long way in the last decade, and it's a well-kept secret getting a Flash game to connect to a multi-client server for chat and/or basic avatar movement in real time. Why has the ...
8
votes
2answers
468 views

What are the restrictions of 3g online games

I am looking into make a 3g online multiplayer game for the iphone. Multiplayer is my main focus but I have noticed all game apps require wi-fi. Dose anyone know if this is simply an issue with the ...
8
votes
2answers
2k views

Creating A Board Game AI

I want to code a board game that name is Okey and mostly popular in Turkey. http://en.wikipedia.org/wiki/Okey But i have got some problems about AI. Firslty let me explain the game.. The game is ...
7
votes
3answers
4k views

Tips for communication between JS browser game and node.js server? [closed]

I am tinkering around with some simple Canvas based cave flyer game and I would like to make it multiplayer eventually. The plan is to use Node.js on the server side. The data sent over would ...
7
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3answers
2k views

Are completely dumb client multiplayer games feasible? [closed]

Is it possible to make a networked game, where each client displays a pixel array sent to it by the server, and sends inputs back to the server? This would be much simpler to implement than using ...
7
votes
3answers
459 views

How can I keep two racing players synchronised?

I am working on a Unity mobile game, much like a multiplayer version of Temple Run. I'm seeing a fluctuating network latency (generally 200-500ms) because of the mobile platform. The two player ...
7
votes
4answers
1k views

Multiplayer online game engine/pipeline

I am implementing online multiplayer game where client must be written in AS3 (Flash) to embed game into browser and server in C++ (abstract part of which is already written and used with other ...
7
votes
1answer
3k views

Network client-server message exchange and clock synchronization help

i'm doing a fast paced physics game that is a table hockey. With two mallets and one puck. The game runs on iphone / ipad and i'm doing the multiplayer part through GameCenter. This is how the ...
7
votes
2answers
586 views

How to synchronize actions like jump in multiplayer?

I am a newbie game developer and I have been researching about multiplayer games. I observed that there's always some latency, the players always get updates from past actions. But there are ...
7
votes
4answers
1k views

Server-side physic simulations with hundreds of players

I’m currently working on a singleplayer physics-orientated game where I would like the physics to be simulated server-side. This because the game will have leadersboards, persistant player ...
7
votes
5answers
1k views

Multiplayer synchronization and pathfinding

I have a point & click type interface on a client, which runs an A* on the server, for path-finding. The game is controlled like an RTS, but the world is persistent, so players should be able to ...
7
votes
3answers
979 views

Multiplayer tile based movement synchronization

I have to synchronize the movement of multiple players over the Internet, and I'm trying to figure out the safest way to do that. The game is tile based, you can only move in 4 directions, and every ...
7
votes
1answer
548 views

Timestep in multiplayer game

I'm trying to wrap my brain around the concept of creating a server/client multiplayer experience. My problem is mainly related to timestep. Consider the following scenario: A client connects to ...
7
votes
2answers
545 views

Detecting wins in peer to peer RTS games like Starcraft

A typical RTS game is implemented with the standard networking model: peer to peer lockstep. Consider Starcraft 2, given that Battle.net presumably doesn't know anything about the state of game given ...
6
votes
4answers
685 views

Has a multi player graphic adventure* ever been made? [closed]

By graphic adventure, I mean point & click LucasArts-type games. Those games have a mostly linear structure in nature, and usually don't offer as many variants as other games types like action, ...
6
votes
5answers
2k views

Persistent game where you program your own bot(s) [closed]

I'm looking for an online game with a persistent world where you are allowed to code (and add) your own 'players' (it can be in any language / script). A sort of RTS but for bots. Does that even ...
6
votes
3answers
2k views

Network communication via Sockets. Is there a better way?

I'm building a game engine on the OpenTK framework that needs to support multiple players. How I have the basic framework established is that there is a Client and a Server. The Server binds and ...
6
votes
2answers
228 views

How important is a single-player mode in a 2-player game?

So say you have a 2 player game, taking Chess as an example (except it's an original game with no ready-to-go AI available). Let's say there's also a social-aspect to the meta-game, so let's say ...
6
votes
1answer
454 views

Why do console versions of multiplayer games support fewer players than PC versions?

source http://answers.yahoo.com/question/index?qid=20111205162848AAb1sl9 64 Players on P.C ( 32vs32) & bigger maps with more vehicles & buildings. 24 on Consoles ( 12vs12) ( It ...
6
votes
5answers
484 views

What are the pros and cons of non-unique display names?

I know of at least big title game (Starcraft II) that doesn't require unique display names, so it would seem like it can work in at least some circumstance. Under what situations does allowing ...
6
votes
2answers
563 views

Networking Questions: Serialization and Frequent Small Packets or Fewer Large Packets

I'm working with a socket server and I'm trying to decide how to update all of the clients. I'm currently sending few packets with entire objects serialized in JSON. In most cases this adds a lot of ...
6
votes
2answers
359 views

How can I debug live multiplayer servers effectively?

I have a multiplayer server made by a small team of developers and we have bugs that crop up on our live server occasionally that we simply can't reproduce while playing with our small team on a live ...
6
votes
3answers
2k views

Multiplayer / Networking options for a 2D game with physics

Summary: My 50% finished 2D sidescroller with Box2D as physics engine should have multiplayer support in the final version. However, the current code is just a singleplayer game. What should I do ...
6
votes
4answers
862 views

Can Google App Engine communicate with a stand alone program?

If I create a client program using say C#, or develop something for the Android or Iphone, can I use Google App Engine for the server and communicate with the client application mentioned above?
6
votes
2answers
188 views

What to do with old data?

I have a game - virtual soccer manager. It is browser based game. It is split into 'seasons' each of them takes around a half of a real year. The central game element is a soccer match, each team ...
6
votes
4answers
379 views

Passing data between engine layers

I am building a software system (game engine with networking support ) that is made up of (roughly) these layers: Game Layer Messaging Layer Networking Layer Game related data is passed to the ...
6
votes
2answers
636 views

How to manage merging/splitting viewports to create a dynamic splitscreen

I'm making a multiplayer 2D game where each player has an entity that they can move in any direction. This will be local only, so split screen. Typically the player controlled entities will be in ...
6
votes
3answers
84 views

Player acceleration formula and using it with authoritative server

I know the theory behind authoritative client-server architecture, it works very well for character movement in a tile-based world: you send messages like "I moved one square to the right", the server ...
6
votes
3answers
833 views

Networking for RTS games with lockstep using UDP

Apparently from what I can gather Starcraft 2 moved to UDP in a patch. Now obviously with fps games there is no dispute that UDP is the only way to go. But with RTS games what benefits does UDP give ...
5
votes
4answers
846 views

How significant is the addition of multiplayer to a singleplayer game compared to starting with multiplayer in mind?

Especially for game designers or software engineers, I was wondering how significant of an increase in difficulty/frustration/workload it would be for multiplayer to be an afterthought of a ...
5
votes
2answers
2k 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 ...
5
votes
2answers
2k views

What data to exchange in multiplayer real time games?

I am a hobbyist programmer and right now I am curious about what data is exchanged in a multiplayer session in real time games like starcraft 2. I did a bunch of searches. I found gafferongames.com ...
5
votes
3answers
3k views

networking without port forwarding

I'm trying to add networking functionality to my game. I want any user to be able to host the game, and anyone to be able to connect as a client. The client sends info to the host about their player's ...
5
votes
2answers
241 views

What perspective is suitable for sharing a screen across a table?

I'm thinking about a 2 player 2D arena game for a mobile phone, but I have the obvious problem of gripping. To avoid this, I think it shouldn't be a problem to play one in front of the other with ...
5
votes
1answer
250 views

Has anyone tried using one of those BAAS providers to create mobile games?

I'm hearing a lot about different companies offering back-end as a service (BAAS) for mobile apps but it seems like none of them are very successful with mobile games. Is there any reason why not ...