After a day of playing around I proudly present this screenshot as a proof of concept that it's NOT hard to emulate this game.
A big tip to starters, write your own server files because the ones that are currently available are garbage. There is no point of reviving or using these since you WILL run into trouble. They are nice to learn the packet structure but that's it. If you want to make a server. You MUST have some knowledge of networking on BYTE level. The packets that are send from the client are bitshifted, this means they are scrambled. The outgoing packets from the server are NOT scrambled and can be read.
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yGigaSeet, you're not the only one who knows. I wrote this in less then a couple of hours.. Just saying.. The OpCode of a packet is just an unsigned short of the 2nd and 3rd index (counting from 0) of the packet buffer. Like any other game.