Is anything still working?

I was a very happy user of Viper, before EP6. After the update, Viper didn't appear to be usable at all anymore. Every time i ran it, it told me "One or more memory addresses could not be found."

So i tried other hacks. These also appeared not to be working. Not even the bots.

Are there any hacks (most notably for wall climbing, preferably Viper) still working?

Synsia won't work on Viper anymore, so don't expect to see an updated version of it. As of bots, we haven't had any major update when it comes to releases so I don't think that there are many that would work on the latest version of the game.