My issue is that the best features of Civ5 if this were fundamentally a multiplayer game end up being its downfall when playing the AI. The AI can't handle the chess match of single unit per hex combat. It just can't. All combat feels exploitative. Any competent player always ends up better managing the micro of combat better than the AI. Cata/Treb/Cannon ages? Anticipate where the attackers will come into range 2 squares away while stepping onto hills/forest/jungle, and you'll shred them while they set up to fire. Dynamite sets that dynamic to 3 squares; upgrade and position accordingly and you ruin the attackers. On attack, manage the geometry of a hexagon better than the AI and you wreck them. To wit: I've never seen the AI use the swap move to move an attacker who has movement points left out of harm's way. They're idiots. The AI may get massive production bonuses at higher levels, but I shred them 3 or 4 to one on unit losses in combat due to the positional understanding the devs can't seem to give the AI. That's ruinous for the AI. Add to that the fact that the AI will keep shelling you when they CAN'T WIN. If the AI's city and its ranged defender are merely leveling up your fortified attacker, 6 exp per turn, who has a adjacent square healer, wouldn't you STOP shelling them and leveling them up given the reverse situation? No difficulty makes the AI stop doing that. With no growing unrest for being at war, why would the player ever stop? I have had games where my units were literally shelled without dying for 100 turns. They get upgraded every age, and if any AI civ makes it that long I end up with 3 levels of accuracy/shock or barrage/drill, medic, +1 visibility, siege, etc. At some point I'm just simply paying for 1/3 of their equivalent army with equal effectiveness. Play Japan and it's just insane. How is the AI supposed to ever win when all you have to is rotate your units within range of their cities and ranged attackers and thereby level them to level 10+ upgrades? Add to that the fact that all their produced units from that city have to move off of the city square, and you're shooting fish in a barrel. In all of the games I've played, I always have a surplus of great generals waiting in the wings for Golden Ages when I need them, and 20% bonus through most of the game while my units stand there getting shelled to be ridiculously powerful when I need them. It honestly makes me miss Montezuma ambushing me with four 50 unit stacks of doom in Civ4.