So,
PUBG
(Player Unknown's Battlegrounds) is one of the most hyped games in the WORLD, even in beta, it can be better than many games. As every single thing, there are positive and negative aspects in PUBG:

⋆TOP 3 POSITIVE ASPECTS:

Variety.
Most of the games are repetitive, however, PUBG is not one of them. In every game, there are lots of possibilities and situations, which makes PUBG a dynamic game, influencing players to adapt themselves in each situation.
Shooting and mechanical system.
PUBG's Shooting system is the main atraction of the game, so, it had to be good, and IT IS AWESOME! So satisfying and clean, all hitboxes are basically perfect. PUBG's game mechanic is as awesome as the shooting system, for those who don't know, the game mechanic is what makes it different and authentic. I have played many FPS and Battle Royale games, but, no one has such a good system. In PUBG, there are pans, that can defend you from bullets, there are scopes (2x, 4x, 8x, red dot, holographic, ...), and there are so many tactic in each game, which makes the game more difficult, but also, more dynamic.
Graphic.
One of the most important things in a game, is the graphic. PUBG's graphic is amazing! The vegetation in general, buildings texture, and, my prefered one, the sea graphic makes us more excited to play it.

⋆TOP 3 NEGATIVE ASPECTS:

Rendering problems.
PUBG requires so much RAM for rendering the map. I have 12RAM and it still don't render perfectly most of the time.
FPS.
PUBG is not a game that everyone can play, because it requires an awesome config, but, it's expensive too, you guys could make some things softer, like: Vegetation in general, make the texture a little bit more simple, and things like that. (Create a graphic mode like that would be nice!) But, the people who has an awesome config, could keep playing in high graphics.
Training.
It's not a 100% negative point, but, a sugestion. You guys could create a training mode, for those who can't shoot or adapt themselves to most of the game situations. (A game that, if you die, you instantly spawn again in a random place of the map, or a place that you choose)

RAM and RENDERING chart:

RAM Does it render well?
8 No.
12 It depends.
16+ Yes.