Longswords are two handed swords. Greatswords act more like polearms in real life. IRL the closest thing to a one handed longsword is called an Arming sword

Err... I own long swords, a greatsword (claymore, in this case), rapiers, and sabers. While I could theoretically put two hands on a long sword, it would be a close fit. Hand and a half swords like the bastard sword would be better for that (I don't own one of these).

Greatswords are absolutely a two handed weapon, as you suggested, but they are not nearly long enough to act like a pole arm. Most polearms were over 12 feet in length. The greatsword hanging on my wall is merely 5 to 5.5 feet of blade and maybe a foot of hand grip, while my long swords are about 3.5 to 4 feet of blade with about half a foot of grip. Your second hand would be mostly on the pommel.

Not sure how you'd use a greatsword or claymore to swing over another person, or attack a rider on a horse! Both are the primary purpose of polearms.

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Though, now that I look at the web, I see there is a bit of conflict on this subject. Some might call an arming sword a long sword, due to its length. Others seem to claim that a longsword is exclusively a two handed sword (wikipedia, for example). Also, the English Longsword was a two handed weapon. So, there is potential that a longsword could be a two handed style weapon. I apparently don't own an English Long Sword.

Despite that, I would definitely argue that the majority of longswords are not two handed. They simply don't have enough grip for it. Some sites are saying that swords as short as 110cm (3.5 feet) are still long swords.

No matter the terminology, there is not a powerful one-handed sword used for slashing represented in the mod. Most people, when going sword and board, will be thinking of something akin to the arming sword, and a gladius is definitely not that.

1. This is a very semantic argument, and one that doesn't seem very well founded (see: https://en.wikipedia.org/wiki/Longsword#Terminology).

2. It may be intended for balance anyway, which will always be more important than using the correct word for an ancient weapon.

3. Like everyone else, you didn't read the description which says *bug reports will not be monitored here*.

Longswords in every pen & paper game I've playes are one handed. A bas.tard sword is a sword that can be wielded one or two handed. Claymores are 2 handed and are not nearly long enough to be considered polearms. Whether or not the pen & paper rules are accurate to real life, I'm not sure. I've always considered them to be accurate though since I've never lived in 1500 A.D. Europe or Persia. :)

There are two swords: Gladius and Longsword. The gladius is supposed to represent short, one-handed swords of all kinds while the longsword represents long, two-handed swords of all kinds. It's for balance reasons, who would actually use a million different types of swords if they were all implemented? I could name like, 10 or 15 different sword-type weapons off the top of my head. Nobody needs that many melee weapons.

My primary complaint is that the Gladius is an ancient weapon, while the long sword is a medieval weapon. At least make the one handed sword a medieval weapon, like an arming sword.

No offence meant, but it sounds like your knowledge is based more on D&D or movies than on history.
Polearms are most certainly not usually over 12 feet! Most polearms are about 6-7 feet long, with the notable exception of the pike, which was a weapon for formations not individuals anyway. The reason a greatsword (real zweihander type, not D&D type) is often classed as a polearm is because it's really too heavy to use with both hands on the hilt like most swords, it's best used with one hand before the crossguard in a half-swording style.
Polearms were not exclusively used against mounted enemies, they were used man-to-man, and attacking past an ally is something that would typically only be seen in a pike formation. Search youtube for "spear versus sword", "spear fencing", or "halberd fencing" for examples of how you would use a polearm in a melee.
Your primary complaint, however, I can get right behind. The gladius is definitely a short stabbing sword, and there should definitely be a one-handed side-sword between that and the two-handed longsword. Of course, both gladius and side-sword are sidearms, and I wouldn't want to go into battle with just a sidearm; I'd want a polearm as my primary weapon.