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    Strategy Guide by VDeNardo

    Updated: 11/11/92 | Search Guide | Bookmark Guide

    CASTLES II: Siege & Conquest
    The Armchair Strategist's Guide: Expanded Edition
    Vince DeNardo, Interplay Productions, Inc.
    William C. Fisher, Quicksilver Software, Inc.
    Wednesday, November 11, 1992
    **Manual Correction: Adlib/Sound Blaster Music Conversion Done  By
    **Rick Jackson
    Becoming King in CASTLES II demands careful planning and resource
    management.  It also requires a clear understanding of the rules of
    the game.  This document provides a detailed explanation of how to
    play the game and surmount the obstacles that will be placed before
    you.  It is an expanded version of the Armchair Strategist's Guide
    that appears in the CASTLES II manual.
    WARNING: This guide offers specific hints and playing techniques for
    CASTLES II.  Players who prefer to learn the subtleties of the game on
    their own should not read beyond the Artificial Intelligence section
    of this document.
    General Playing Hints
    Some subtle aspects of CASTLES II may be lost in a first reading of
    the manual.  These few pointers may make your first experience with
    the game much more pleasant:
    1. Use the right-hand mouse button to speed up the clock while waiting
       for an event to occur.  This works in both the Strategic and
       Tactical modes.
    2. Defending military forces are always approximately one-half the
    size of a player's total military force.  The number of soldiers that
    a territory can muster in its defense, in other words, is based on the
    total size of the army owned by the controlling player.  To be
    precise, the number of each type of unit is equal to one-half of the
    number of such units in the player's army, rounding up.  For example,
    a player with three infantry and five archers would defend with two
    infantry and three arc hers.
    The defender still has an edge, however.  The strength of each
    individual defensive unit is adjusted upward slightly to account for
    the defender's superior knowledge of the terrain.  The defender also
    gets to choose where the battle will be fought.  This offers a
    significant advantage to the clever player.  Finally, the attacker
    will have a very difficult time winning unless the odds are greater
    than 2:1 in its favor (this includes morale, which is not immediately
    measurable, just as in real life).
    The battle system works both ways: when you are attacked, you defend
    with half of your forces.  If you lose the battle, you may then launch
    a retaliatory attack on the other player, who will defend with half of
    whatever forces remain after the first attack.  Also, remember that
    every unit lost to either player removes one unit of that type from
    the player's forces.  However, since the defender only fields an army
    half the size of its total force, it can never be wiped out in a
    single battle.  The attacker, however, can be completely eliminated by
    a solid defender.  A counterattack after such a rout is usually
    devastating to the once-proud aggressor.
    The intent of this design is to encourage back-and-forth skirmishing.
    It also places the greatest risk of loss on the player who has the
    most to gain -- the attacker.  This design applies to both the
    computer players and the human players; they abide by exactly the same
    rules.  This includes the rule which provides at least one Infantry
    and one Archer to a player with no military forces.  We assume that
    any territory -- human or computer -- is capable of offering some
    defense to an attacker, however meager.
    3. Your army's morale is based on the Happiness of your people.
    Battles may be won and lost solely on morale.  It has a very strong
    effect on the outcome.  Be sure to keep your Happiness at least as
    high as that of your neighbors.
    Artificial Intelligence
    CASTLES II employs two sophisticated, multi-level artificial
    intelligence engines for the computer players -- one for Strategic
    mode, another for Tactical mode.  Only the Strategic AI is discussed
    in this analysis.
    The Strategic AI consists of medium-level and high-level portions.
    Actions are initiated through the same task mechanism used by the
    human players.  In fact, the AI players were tested by letting one of
    them run the game in place of the human, even displaying results on
    the same user interface.
    CASTLES II was exhaustively playtested for six months.  Every aspect
    of the gameplay was critiqued and fine-tuned.  This was an especially
    complex task for the artificial intelligence routines.  Many of the AI
    algorithms were rewritten several times until they became satisfyingly
    realistic.  Fortunately, the computer players use the same tasks as
    the humans.  The tuning factors were based on empirical adjustments
    derived from actual human playtesters.  The result is a series of
    opponents who play at a level equivalent to that of an expert human
    player.  The Easy and Impossible difficulty levels in the game were
    created by adjusting delicately more than a dozen factors in the
    playing style of each opponent.
    The medium-level AI maintains appropriate levels of commodities and
    military forces, and ensures the safety and security of the kingdom.
    It issues Gather and Recruit tasks whenever it decides to increase the
    level of a commodity or increase its military strength.  The medium-
    level AI can send Merchants (this is a good way to find out if a
    computer player is experiencing a shortage of a given resource, by the
    way).  The medium-level AI also starts a Happiness task when the
    peoples' morale drops, sends Scouts to neighboring territories, and
    Polices the realm if it is being Sabotaged or Spied upon.
    The medium-level AI does not think very often.  During playtesting,
    this AI was found to be extremely agile in its response to changing
    conditions in the game -- far more agile, in fact, than any reasonable
    human opponent.  The frequency of its thinking was reduced to
    compensate for this.  One other adjustment was made.  Since the
    computer players do not get the benefit of plots or random events,
    which often give "freebies" to the human player, the AIs were given
    the ability to obtain one unit of a given resource if no units are
    available in their stockpiles and the computer wants to run a task
    that requires that item.  This also compensates partially for problems
    which arise due to their reduced frequency of thinking.  This only
    applies if they are completely out of that commodity.  The computer
    players cannot pile up large stocks of goods in this manner.  Also,
    they do not possess this special ability at the Easy difficulty level.
    The high-level AIs handle the more complex thinking in the game.  They
    use a modified version of a traditional AI approach to prioritization
    of their various options.  This keeps them from becoming locked into
    simple patterns of action.  Attack, Build Castle, Saboteur, Spy, and
    Diplomat are high-level AI tasks.  The computer evaluates each task
    based on a large number of variables.  It may decide to attack a
    particular territory because it contains a commodity that is in short
    supply, or it may back off if it finds a castle there.  It weighs all
    of the possibilities and chooses the one which is the best means of
    achieving its goals.
    Starting the Game
    At the beginning of the game, your focus should be on grabbing
    territory.  This cannot be done in a haphazard manner, though.  Your
    most important goals should be:
    1. Build a solid, defensible perimeter.
    2. Possess all four types of resources.
    3. Crank your economy up to top speed as soon as possible.
    Most of the players begin in one corner or another of the map.  The
    best strategy for these players is to aim for an initial size of five
    or six territories.  Conquer a few immediately, preferably by building
    a "wall" of territories that you own, behind which may be a few that
    you do not yet own but are inaccessible to the other players (the
    other players cannot "leapfrog" and get to them).  Then, conquer these
    other territories.
    Territories will revolt if not subjugated by a show of force.  You
    must therefore begin to build castles once you control four or five
    territories.  Try to build just one castle, preferably in a territory
    which borders every other territory that you own.  If you are very
    fortunate, or have planned well, the territory in which you build the
    castle will have Gold as a resource.  Make sure that your castle is at
    least 100 points strong, so that it will prevent revolts in all
    neighboring territories .  The castle will not prevent revolts until
    it reaches an appropriate level of completion.  Be sure to start
    construction early enough to ensure that your people will not revolt
    before the castle reaches this critical size.  One good way to speed
    up the construction process is to skip the moat: it slows the
    construction process significantly.
    Politics also plays a critical role in the game, even at this early
    stage.  Make sure that your people are happy.  Make sure that the Pope
    likes you.  And try to keep your enemies at bay by buying them off
    occasionally until you can become strong enough to fight them
    Tough Choices
    Once you have your initial territories under control, you may choose
    any one of several approaches to the game.  The game can be won
    through military conquest, administrative power, or political
    expertise, although the obvious military approach is the easiest.
    Make a decision now as to how you wish to proceed, and stick to it as
    long as possible.
    The game will place far more demands on your resources than they can
    support.  You must decide whether to make your people happy, build
    alliances with your neighbors, build castles, or build a dominant
    military force.  Your basic strategy choice will determine which of
    these will be emphasized.
    There are a few general pointers that apply to any strategy.  Keep
    these in mind, and you will always be in control -- as much as
    possible, anyhow.  And, lest you think that these pointers are not
    important, just remember that the other players ARE using them.
    1. Use every ability point that you have.  Even if you are not running
    a Military task, for example, apply the otherwise unused Military
    ability points to another task, such as a Gather.  This will serve the
    dual purpose of increasing the speed of the gather task and giving you
    the extra push toward raising your ability rating.  Your Military
    ability will not increase as quickly as if you were running Military
    tasks, but any contribution in the right direction is helpful.
    2. Stay friendly with the Pope.  Monitor your relations regularly.
    Remember that attacking a friend of the Pope (noted by the word
    "Blessed" next to that player's name in the Council display) will
    cause your relations with the Pope to decrease by one point.  It is
    very easy, therefore, to become excommunicated through carelessness.
    3. Stay friendly, or at least on neutral terms (Relations of 4 to 6),
    with your neighbors.  The better your relations with them, the less
    likely they are to attack or sabotage you.  Also, your Merchants are
    likely to get better deals if they are dealing with friendly parties.
    4. Maintain a reasonable army size.  Make it too small, and your
    neighbors may attack when their spies discover that you are a
    weakling.  Make it too large, and the maintenance costs will drag down
    your economy.
    5. Send Diplomats to "buy off" enemies who are attacking you.  They
    remember friendly actions and are less likely to attack if they have
    reached a diplomatic agreement recently.  Unfortunately, they cannot
    recall armies who are already in the process of attacking, so your
    Diplomat may be too late to be effective.  Also, enemies remember your
    hostile acts even longer than they remember the nice ones.
    6. Think in terms of small campaigns. Before launching attacks, pick a
    small number of territories to capture, build up your army and then
    go. Don't bite off more than you can chew! After grabbing a couple of
    provinces, consolidate your gains, rebuild your army and erect castles
    for defense. Never get greedy, as an overextended empire crumbles very
    7. Always harvest your resources. You will use them up very rapidly as
    everything you do costs money and/or goods. Try to resist building a
    castle until your Administrative Rating hits 5, allowing you a second
    task in that category. Then keep harvesting as you build.
    8. If you don't have a good mix of commodities in the territories you
       own, you can still have a good economy. Try to harvest the
       commodity you have the most of and then trade them for what you
       need. You'll need good relations with a trading partner to pull
       this off, but it works well when you don't have access to iron and
       gold. Always remember that the black market is risky, but it can
       help bail you out of tight situations.
    Military Might
    Many players initially try to win the game through brute military
    force.  Unfortunately, being a leader means more than having the
    largest army.  You must also make friends with those who can be most
    helpful to you.  You must choose your enemies carefully.  And you must
    manage your realm well enough that it does not vanish in a sudden
    spate of revolts.  The following hints should assist the determined
    1. Obtain Knights as soon as possible.  Build up to a Military Ability
       Rating of 6 by recruiting and attacking.  Don't police your realm
       unless it's essential.  Take a risk in order to build up your
       forces more rapidly.
    2. Build just enough castles to prevent revolts.  You can build them
       without moats if you're in a big hurry.
    3. Make sure that you have plenty of Iron and Wood initially, so that
    you can build a big army.  Then make sure that you have plenty of Food
    and Gold to pay for these forces.  If you lose them due to failure to
    pay, you may very well lose the game.
    4. Choose your enemies carefully.  Only attack one at a time.  Trying
    to conquer two at once will almost certainly end in disaster.  Send
    plenty of Diplomats to the other player to keep him off your back.
    Besides, you can get better trading terms with that player until
    you're ready to attack.
    5. Ambush a weak opponent.  Call a Council and see who is at war with
       whom.  Then attack a neighbor who is busy fighting someone else.
    6. Don't attack Blessed players unless you have no other choice.  The
       Pope will cause you a great deal of grief.  You should never need
       to be excommunicated.
    Administrative Acumen and Political Prowess
    CASTLES II may also be won through administrative might and diplomatic
    savy.  A player with six well-chosen territories and many castles can
    prosper and win without spending enormous amounts of effort on
    military campaigns.
    1. The key to an administrative victory is maintaining the happiness
       of your people and becoming allies with the other players.  Run
       Happiness tasks and send plenty of Diplomats to your neighbors.
    2. Focus on obtaining Gold territories.  You will need Gold to buy off
       your neighbors and the Pope.
    3. Build a moderate-sized standing army.  If your neighbors suspect
     that you have a small army, they are more likely to attack you.
     Remember that losses affect the attacker more than the defender
     (since the defender will never lose more than half of his army in any
     given battle), so you can do a great deal of damage to someone who
     dares attack you.
    4. If you get attacked, send Diplomats.  If relations improve, your
       opponent will temporarily be less willing to attack again.  Keep up
       a steady stream of Diplomats and you may be able to avert a second
    5. Send lots of Merchants and Diplomats.  Political Ability points are
       the most difficult to achieve, but you will have plenty of time to
       get them since you will be spending fewer resources on military
    6. When other players like you a lot (Relations of 8 or 9), trade will
       be more advantageous.  You can actually make a profit on trade if
       you work hard at it.  Every unit in your stockpile puts you closer
       to victory.
    7. Don't forget that your friends will turn on you when you Claim.
    Relations will drop by one point with every other player.  You will
    suddenly be the target of numerous Saboteurs and Attacks.  Be
    prepared.  Just before you claim, build up a substantial army with
    plenty of Knights and Archers.
    Long-Term Strategy
    The goal of CASTLES II, ultimately, is to survive long enough to
    become King.  Once you have established your initial fiefdom, it is
    time to put your overall strategy to the test.  Focus on the elements
    that you deem most important, as noted above.  We won't tell you how
    to win.  There are many ways to win in CASTLES II, and part of the fun
    is in discovering them for yourself.  However, a few general pointers
    for later in the game may be warranted:
    1. Build a buffer of extra points before you Claim.  Once the other
    players get wind of your pending coronation, they will become
    increasingly aggressive toward you.  Claiming reduces relations of all
    other players with you.  This can pull you very rapidly into warfare.
    Make sure that the loss of points due to the drop in relations, plus
    the drops due to the attacks you will receive, will not be so severe
    that the Pope decides not reject your claim.
    2. Deciding when to Claim is a tricky decision. If you are the first
       to try, everyone will take their shot at knocking you down. Waiting
       for someone else to claim first is also a tricky path to follow
       because you might not have enough time or power to knock him down,
       and, if more players claim in the meantime, it'll turn into a free-
       for-all. (Actually that becomes quite a fun endgame to be involved
       in. Maybe that's not such a bad idea after all!)
    Ten Sure Ways to Lose at Castles II
    1. Attack two or three other players at once.  Yeah, the more, the
    merrier.  It's fun to send troops in every direction, grabbing
    territory as quickly as possible.  It's fun to lose troops faster than
    you can Recruit them.  It's fun to beat back counterattacks every two
    weeks. It's fun to restart the game every ten minutes!
    2. Ignore the Pope: attack Blessed players: get Excommunicated. So
    what if they are the Pope's friends? So what if eventually this gets
    you Excommunicated? You're too tough to expect your people to be
    happy.  Besides, no iron-fisted ruler worth his garde-robe worries
    about those Holy Rollers.  And don't worry about the precipitous drop
    in your army's morale because your people are unhappy.  Your army is
    three times bigger than any other in Bretagne -- at least, it was the
    last time you checked.  Besides, you don't need to send no stinkin'
    3. Never send Diplomats.  Diplomats are pansies.  You kill them when
     they come to you.  Why send yours when Relations are always so bad
     anyway?  You don't need no stinkin' friends (see Merchants above).
     Scorched earth --that's your style.  Take no prisoners.  Just build
     an army and kill everyone at once.  No problem.  They'll never have
     time to mount a counterattack.  What if everybody hates you? Huh?.
     What if? Are you talkin' to me?
    4.  Trade inefficiently: Rely on the Black Market for scarce goods.
     Trade with people who hate you.  Everyone is out to get you.  You
     have no friends, so why would you expect them to trade advantageously
     with you?  What's so bad about an occasional 2 :1 or 3:1 swap for
     something you really need?  Losing one or two units per trade doesn't
     really add up to much over thirty or forty trades, anyway.  Besides,
     how could you possibly have planned ahead for your needs?
    5. Let your army starve or go without paychecks. Why, when you were in
     the military you went six, seven years without eating. Yeah, and when
     you ate all you had to eat were rocks. Yeah, and when you got paid
     you got paid in sticks. Yeah, and they were wet too! After all, you
     only lose one military unit on the first delay.  Why should you care
     if it's your best unit?  You have more Knights than you can use,
     don't you?  And don't worry about the fact that you lose double the
     units after every further delay.  You have more important concerns
     than maintaining an army.
    6. Ignore a commodity because it's not important.  Who needs Food,
    except to feed the army, recruit Knights, and make people happy?  Who
    needs Timber, except to build castles, recruit Archers, and make
    people happy?  Who needs Iron, except to build castles and recruit
    Infantry?  Nobody needs Gold, right?  Right? ... Well, gold maybe ...
    7. Don't build castles.  The name of the game is CASTLES II.  But that
    has nothing to do with it.  You're too busy conquering neighboring
    territories to worry about those pesky revolts. And who needs double
    commodities anyway? (see above) And you can always reconquer the
    territories you lose.  Your neighbors would never even think about
    trying to capture a neutral territory that was once yours.  And how
    much protection can you really get from a pile of stone?  Ten archers
    posted on the walls can't possibly be very useful.  Why would you ever
    imagine that they might be safer up there, or might be able to shoot
    arrows further?  And what possible advantage could there be to
    protecting all of your Infantry and Knights from enemy Archers?
    8. Never, ever Claim the throne.  Why try to win, when you can have
       lots of fun getting beaten to a bloody pulp year after year?
       Masochism builds character. No, even better. Claim early. Just as
       soon as your score creeps up to 7001. Yeah, that'll show everyone
       just what you think of them. Those sniveling, wimps.
    9. Change strategies every year or so. Yeah, keep duckin' and weavin'.
       Bobbin' and dopin'. Move slowly and in different directions all the
       time. Those computer players won't know what to do. Who needs to
       focus on a consistent strategy? Planning never worked for Wile E.
    10. Never send Scouts and Spies.  Never call a Council.  Why bother
    looking at your neighbors?  They aren't planning any hostile actions.
    You're perfectly happy with two or three territories on the wrong side
    of the river.  You never worry when a new neighbor shows up.  He
    couldn't possibly have fifteen military units poised on your border, a
    Happiness of 9, and a serious need for elbow room.  So what if Aragon
    just marched all the way to Albion's part of the map?  He can't
    possibly be winning the game.  In fact, nobody else could possibly be
    doing better than you.  Just ignore them.  You always win on
    Impossible level, anyway.
    Always Remember! If you lose, it's dumb luck, the computer cheats, you
    hit the wrong key by mistake, and you took your eyes off the computer
    to catch the replay of Brett Hull's hat trick. Good day, eh?

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