5
votes
3answers
247 views

How can a web game store points online without giving the user the possibility to do the same call but with more points? [duplicate]

Imagine I have an HTML5 web game where the user can get points by doing certain activities. The game can be played offline, so there's not necessarily a live internet connection (note: this makes this ...
1
vote
4answers
209 views

Protecting the integrity of a game state while minimizing amount of data sent

I'm developing a multiplayer game in PHP/jQuery, and naturally have to be wary of any sort of data coming from the client. At present, I have tables of data representing the map (2D roguelike), ...
3
votes
3answers
1k 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 ...
10
votes
6answers
4k views

How to fight against memory editing cheat software?

What is the best way to protect run-time memory from such software? We just published an online game (written on AS3, Flash, published on a social network), and pretty much all of the players got ...
3
votes
2answers
312 views

Best way to verify client files are same as server

In a client server game architecture, what are the possible ways to verify that the client has not modified things like gfx assets or client side scripts? Obviously no solution is perfect, but I ...
5
votes
3answers
661 views

Save Security with MD5 Hash

I'm working on a flash game that saves your progress locally. These saves can easily be hacked. My solution is to add an md5 hash of all the variables saved into the save file itself. When loading the ...
26
votes
9answers
5k views

How can I prevent false score reports to global highscore tables?

Browser and mobile games commonly have global highscore tables. It's also common for those tables to contain scores of 2,147,483,647 — where people have figured out the webservice call that ...
14
votes
6answers
2k views

What are some ways to prevent or reduce cheating in online multiplayer games? [closed]

Punkbuster exists just to prevent cheating, and yet cheating is common in punkbuster enabled games. Modern Warefare 2 is seriously locked down from the end user running their own server or making any ...