Human Space Marines' "hover tanks" also appear in the mod.
Most sounds will be changed. Ambience is already done and a futuristic vehicle sound effect was successfully tested.
While futuristic weapon effects "particle systems" are not guaranteed because I have not yet studied how they work, I will make a strong effort to figure them out and I believe I have the right software.
Keep track of the mod at https://www.moddb.com/mods/sudden-quake