Here are the main changes in OCMOD3

. Removes the effect of reverse trading in the market.
· Reduces how much of a purchased resource you get when you trade.
· Encourages you to collect each resource directly as that is the best use of peasant workers.
· Increases the costs of the diplomatic centre mercenary units.
· Adds an inflation cost to mercenary units. Batch order them, do not use infinite queue.
· Increases the time for mercenary units to produce although they still produce quite fast.
· Makes 18th C diplomatic units unavailable until 18th C is researched.
· Increases all formation bonuses so it is much more important to use formations.
· Makes the 17th C musket produce at the same speed as the 17th C pike.
· Increases 17th C musket basic shot power.
· Compresses basic shot powers into a smaller range so elite shooters are reduced a bit.
· Musket reload takes a much more realistic time span. Tactics of volley and retreat or hiding behind pikes become much more important in 17th C.
· Upgrades to musket reload times give 25% not 35% improvement.
· Gives all muskets a better head-shot chance which is also affected by the range of the shot.
· Increases infantry life (HP trebled) to stop elite shooters one-shotting without a head-shot.
· Increases cavalry life (HP) to about double.
· Increases cold steel attack pause (slashing and stabbing slowed by about a half a second).
· Melees and battles last longer so sometimes reinforcements can arrive in time.
· Changes cavalry production rates so 17th C horse are more useful.
· Changes some upgrade costs in the mill, blacksmith and academy.
· Changes the costs of many buildings and units to make unit proportions more historically accurate and re-balance the nations. Production times change for the same reasons.
· Makes early mine upgrades cheaper as you need mines much more upgraded without the reverse trading and because the income from selling stone is much reduced.
· Makes progress to the 18th C more expensive. This is another reason you need to upgrade the mines a lot.
· Increases mine hit points and makes them burn down rather explode on deletion. In an economy that relies much more on mines, you need more chances to save your mines.
· Changes the production site of the 18th C musket. The 18th C muskets now produce, and are upgraded, in your 17th C barracks after you have researched the 18th C.
· This frees up the 18th C barracks to exclusively make grenadiers, sharpshooters, 18th C pikes and of course, 18th C officers and drummers. You still need these officers and drummers to make 18th C musket formations.
· The third and subsequent 17th C Barracks are significantly cheaper to build.
· 18th C muskets and grenadiers produce faster.
· 18th C pike produce 50% slower than normal game.
· Artillery depots cost more.
· Artillery takes considerably longer to reload.
· Artillery has greater range and greater hitting power.
· Iron and coal costs are raised for muskets and artillery and made more proportionate to their hitting power.
· Towers are given maximum sight range so they are useful as lookouts too.
· Tower cannon have more range but not equal to the new sight range of course.
· Towers cost more, inflate more, and towers are limited to 8 per player.
· Stone walls and wood walls are each limited to 250 sections per player.
· The tower building dependency is changed. You need an artillery depot to build cannon towers.
· Walls take longer to build.
· Infantry and cavalry now consume more ongoing food.
· Buildings now consume wood and stone for maintenance.
· Buildings and houses give more population capacity.
· Wood walls consume more wood and stone walls more stone for maintenance.
· The shed building dependency is changed. You don’t need a town center to build a shed.
· Certain other costs are increased. The balloon costs a LOT more if you allow it in the settings.

There are a number of other changes too but these are the main ones. We will provide a manual for the mod as soon as we can.