A great game for strategists. You are a commander of an army in the totally not Japan country called Japon, where they use Amasson to carry parts around.
The gameplay is simply complicated. In that I mean that it's simple that you can either send your units to attack a spot, move them, get them to reveal some map space, or do nothing. However, as simple as that looks there are a lot of factors. Different tanks excel in different areas.
The main types are "Commander", of which you need a minimum one, and if you lose all of you lose.
"Shock", which can be divided, but generally hit an area around them, but also blowing themselves up in the process.
"Recon", which can reveal large areas of map, move far but are generally bad at combat.
"Assault" which usually are destructive, but otherwise all around.
And "Artillery" which have insane range, at the cost of low mobility and speed.
Now, at the start of a round you can use any mix of tanks you've made, all of which are made to be human-like, but usually without questioning orders. As you do missions, you get resources to make more. However, if a tank dies, it's permanently dead, excluding your default tank Hishiko, as well as a few select specialty tanks (Which is an important part of the plot. Unless you're Mr. Cat. Then it's just the embodiment of evil). So managing your tanks in a way to prevent them from going down as much as possible pays off. (Ie. Better strategy always pays off more than trying to brute force things with kamikazes.)
The game itself isn't too hard, as long as you take the time to plan things out. In fact, it seems most people beat the story without a loss 99% of the time on their first playthrough. However, there are more stories to be told based on how you do missions (If you fail certain ones, specifically), so it's worth a second playthrough to find these. The characters are also very interesting, as they make you question your character's motives. Is he a good guy? Or is he right in his name of "General From Hell"?
A lack of multiplayer is a let down, especially in a game like this. Granted, it could obviously tip the scales towards a player who has more time in the game, but all the same they could have had a type of draft you could do, or had ___ resources to use to make your army.
In summary, it's a great strategy game with a great story. A lack of multiplayer is a let down, but it's easily overlooked.