A long time ago, a great war was fought between a few units composed of three to five individuals. Some of these individuals were dragons, liches, vampires, Dragoons, and level 23 Paladins. If the rebel soldiers fought enemies weaker than them, they became evil, EEEVIL, and people would balk at them efficiently liberating towns. Apparently even level 18 Seraphim will buckle under the horrors of warfare, turning into the pixel art equivilant of Coronel Kurtz. So the leader of the rebellion came up with a genuis political tactic; he'd avoid all combat and just ride a fucking griffin around after the real soldiers constrain the flow of enemies, who apparently all march in a straight line to your base. By the way, this game is a classic.
Ogre Battle has geektastic pixel art, reinforced by the class tree that allows you to focus on sculpting individual soldiers into a particular class, and then being rewarded with anything from a color change to a full-on revision. The tactical gameplay, with its tarot cards and deterministic battles, makes for a great game to play on a ZSNES emulator, with the tilde "~" key often held. There's plenty to geek out about micro-managing units and consulting the FAQs about particular secrets. But that's not why this game is interesting, only why it's fun.
The game was an early attempt at utilizing a political rhetoric in the rules. The way your characters' alignment shifts based on who they kill, the way that reputation is adjusted according to how your liberate towns and how much tribute your extract, along with a dozen other rules and exceptions, make this more than just another power fantasy RPG. This is game that tries to be about human responsibility. It definitely fails; the strategic AI is too simple and the rules too blunt so that you can game your way through every scenario in the manner satirized above. Not to mention, getting the most out of the game, achieving the best ending, involves a lot of minutia you need to get right before you complete a map, stuff you really need the FAQ for. You can even fuck it up just by some stupid boolean over-write bug (this game is a relic of the pre-OO programming days). But hey, it tried, and the pixel art rules.
If you've heard of this game but never knew you'd get a chance to play it, or you want to learn about key milestones in the history of RPGs, Ogre Battle is canon.