Simplex started as a branch from Complex. It has combined features from Path To Victory as well as many other mods through a long history of R&D. This mod aims to excavate the full potential of the Homeworld 2 engine and it will simply blow your mind with incredible fun!
How do you get the engine trails looking like that? Or is that a Photoshop effect?
Everything is real in the screenshots. Those are not trails, they are 2nd Stage Thrusters, which can be unlocked in the research menu after you reach certain ranks.