Gather round children, and I shall tell you about... War Thunder.
Once upon a time, there was a flying game. Unlike other flying games of the time, this flying game could actually be played with a mouse and keyboard. The controls were really tight, amazing, even, for those that always wanted to play a flight game without dropping money on a good flight stick. It was a beautiful game, not just visually, but it was amazingly fun. It ran well. Everything could be bought quite cheaply. All in all, it was everything a free to play should be, and there was much rejoicing.
At some point in time, Gaijin decided it wasn't just enough to have a fun game that everyone loved to mess around in. They had to have a meta-game. So they started messing with the flight models in arcade mode, where nobody really wanted realism. They took away the massive bomb-blasts that everyone loved, and made it so you had to hit every ground target dead center with a 250kg bomb or bigger in order to kill it. Maybe people were farming too much. Maybe people ground through the aircraft trees too fast. Nobody knows the reason, but we all know we don't like it.
But they weren't done ruining the fun. They implemented new mechanics in arcade that made it revolve around dive-bombing B-17s that could end the game in the first five minutes. You can't dogfight anymore. You can't. If you do, bombers will end the game before you get more than a handful of kills. They expect you to do nothing but chase bombers that dive as fast as your fighters can, and even if you kill them all, the bombers on your team will probably end the game anyways. Oh boy. It's been like this for six months.
A number of the flight models are broken. They just don't work. Planes are put into the game with flight models that make them virtually unplayable, but players are expected to use them and progress through them to the next plane. The F-82 Twin Mustang, the Mosquito, and a number of other aircraft are just broken. They've been in the game for months, and there is no telling when they're actually going to get fixed. Some of the planes ( Like the XP-38 ) were ones you paid money for, and they were STILL broken. They took money for a plane you could barely fly, and only fixed it around five months after it was put on sale. Good times.
The ground forces is fun, initially, but that wears off quick when you realize it's an alpha masquerading as a beta. Tanks flip over if you take some turns just a little too fast. Some tanks don't have damage models. You can shoot through the ground. You can fall through the ground on some maps. Just straight up 'fall through the earth' clip mode. I feel really bad for the people that paid sixty dollars for a ground forces tank package 6 months ago, because they're going to be waiting another year for a functional game.
The grind at tier 5 becomes some sort of Sisyphean task that no sane person should do. To unlock the first module on a tier 5 jet, you're looking at around 18-24k per module. Without premium game time, you'll make around 2k experience per module. To unlock enough modules to make your plane as good as the people you fight, you're looking at hundreds of thousands of experience points. To unlock new jets, you'll need anywhere between 200-350 thousand experience points, and a 1.5 million credits. This is a lot.
Repairing some planes can cost between 40-80k PER DEATH. This means you can spend months grinding your way to late game planes that you can't even fly because you quite literally can't afford it. Oh, and Korean War era jets end up fighting WW-2 era planes and jets somewhat regularly, so don't go into this hoping for some historic WW-2 jet action. You won't get it.
Gaijin says they want critique, and that they welcome player feedback. They don't. They moderate their forums quite heavily, and delete, lock, and edit every post that critiques the game. Disagree with a moderator about game balance? You might get banned from the forums. It doesn't matter if you're polite or not. It doesn't matter if you're right, or not. All that matters is that you disagreed with Gaijin, and you disagreed with their staff. God help you if you tell a joke.
The Russian devs tell us basically nothing. Half of what we find out comes from players going onto the Russian forums and using Google-translate to figure out what's up or why something's broken. They just don't care about communicating with the Western European and American playerbase at all, or pretty much anyone else, for that matter.
If you play this game, don't put money into it. Just don't. They're killing the playerbase slowly but surely, and the only reason I'm playing ( after putting a few hundred bucks into it ) is because I already have almost all the planes I want. If you play, stick to the early tiers. You can unlock a fair number of early prop planes for free, and the early tiers are the most fun. Just don't be tricked into thinking that early fun is present in the higher tiers.