HW won't become a be-all mod, as we don't want to touch the core playability by adding new weapons or similar stuff. After the mod is stable and out of beta, we'll continue tweaking it and releasing a new update from time to time - but we'll shift most of our spare time to the project we've been thinking about for some time now. It's codenamed 'Golem', and it will surely take many months before we've got something to show about it. We hope that we'll have it finished before Trinity is out, or else we'll have to do the porting. He keeps talking about it every time he drinks.
Every mod goes through some difficult points in the development.
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