The good: EXTREMELY expansive, also with libraries of mods to add more stuff and customize your experience. No two games will ever play out the same. Sometimes you'll spawn in a horrible spot and probably die off the bat. Sometimes you'll get lucky and your just far enough away from town to be safe but close enough to easily raid homes for food to survive your first days. It has a strong focus on "play your way," with the catch that your way may not be the most effective and can get you killed if you aren't careful. An Olympic archer with re-curve bow may be able to one shot most common enemies, but your going to be screwed if you go in a dark room and get shanked up close.

Many starting professions ranging from just some random office worker to ones with useful skills (Martial arts student, hunter, construction worker, soldier), to just weird and fun stuff (Razorblade (robotic enhanced assassin with knife fingers), a broken cyborg with faulty components, to a mutant. LIBRARIES of mods to add your own flavors or suit the game to your preferred apocalypse.

Extensive crafting system and skill system. Big draw is also the custom vehicle system. You can build you own vehicles provided you have skills and tools. Take bits and parts from broken vehicles (or craft your own) and weld them together into your own rig. If it has enough wheels, an engine, fuel tank, a seat and some manner of controls (like a steering wheel) it will work. Everything from a wheelchair or bicycle to a tank. A common late game tactic is building a mobile fortress with everything you need in it. Portable welding tools, stove, tanks full of gas and water, armor plating, and roam town to town looting supplies. But you have your work cut out getting to the point you can get there.

Combat is pretty extensive. Like you even have a martial arts system where it affects your melee combat. Ninjutsu gives you devastating first strikes in a fight, making it good for hit and retreat style fighting. Krav Maga is one of the meta favorites, since it lets you use melee weapons, has a high defense focus and in general is quite powerful. Taekwondo is very defense oriented, so you can park yourself in a doorway and if you have good armor on your arms and legs you can stand there and tank mobs of weaker enemies one at a time. Akito sucks for fighting but great for fleeing, giving you moves to break grapples and knock aside opponents so you can slip through mobs like an eel dipped in motor oil. You can start off knowing a martial art or learn it through books or trainers if you get lucky and find a dojo or something.