Sigmarxism

This mod adds many new units to vanilla races (wraithguard/wraithblades for craftworld eldar, deathmarks for necrons weirdboy for orks for example), updates necrons, they have suprisingly good voicelines now and also adds 17 new factions, some of them have entirely new mechanics, (world eaters for example have single cap for both infantry and vechicles, increase resource generation whentheir units are in melee) and another two - death korps of krieg and death guard are going to be added in the next update. This mod is not trying to be as over the top as ultimate apocalypse (although every vanilla factions and a few modded ones have small titans). Campaign works with this mod and you can configure it to retain bases like in dark crusade for example. There are also 3 new game modes: survival, last stand and kill team (only survival is fully complete).