War Thunder is a game which inspire me mixed feelings, but the dopamine release I get when I one shot enemy vehicles is pretty great
I personally main the comrades of the Sovietsky Soyuz (which imo have very good and very bad points at the same time, no depression in the Soviet Union 
)
One of my favorite vehicle is the 2S3M "Akatsiya", one of the great potato lobber in this (10.12kg of TNT, in a single shell!)
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Look at that, isn't she beautiful
I played Soviet up until the IS-2 and decided to stop cause there was something just fucked up about their armor system where they just didnt bother to make shit that destroys tanks by other means than armor penetration work and it was so frustrating.
Like you hear all about this shit where like the shells were supposedly so strong as to physically rip turrets off the armor and then in game it just hits like a big fart unless you manage to penetrate. It sucked so bad that I didn't wanna play further cause that was also roughly the point where it was just impossible to break even with currency unless you got 3+ kills in your fart launcher.
Yeah volumetric armor fucked up many things big time, the Panther's mantlet seems to be made of vibranium or some shit, it eats shells like nothing
They also removed hullbreak so your ap rounds can just go through light vehicles with no armor and do nothing
But if you send enough explosive downrange, you can overpressure a lot of vehicles (the 2S3M is a good example, you can easily overpressure a Tiger turret, even a Tiger II although you need to use your brain a little on those)
Also this guy doesn't need to pen, doesn't even need to hit you :
Metal bawkses!!!!!