Most common house rules?

JimAde said:
What's the difference? Do you round up (so rogues and clerics would get +1 at first level)? Or is it mostly for multi-classing?

I floor it, so the progression looks the same for a single-class character. Affects multiclassing.
 

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Oh yeah, I forgot about using 3.0 weapon sizes (and paladin's mounts). Of course, I had never even considered switching in those cases, so...
 

Sorry, none

Don't have any house rules for you. Sorry. I used to use house rules, but my players whined too much about the ones that didn't favor them, while, gasp, supporting the ones that did, so I quit using house rules. Made the Psion player particularly angry, since I had beefed up psionics. :)
 

danzig138 said:
Don't have any house rules for you. Sorry. I used to use house rules, but my players whined too much about the ones that didn't favor them, while, gasp, supporting the ones that did, so I quit using house rules. Made the Psion player particularly angry, since I had beefed up psionics. :)

We dont' have any either, as we haven't really seen a big need for them. However, none of us are 100% knowledgeable on 100% of the rules. So, we want to make sure that if there was a situation where it was very common to have a house rule, we would at least know about it.
 
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I sometimes use a house rule where skill levels only cost 1 point, even for cross-class. I don't really see the need to cut their effectiveness four times, when two is enough.

I also sometimes allow bonus education skill points, usable only for craft, knowledge, profession, perform, and speak language. (I wrote that system up for Asgard #5, back in the day.) It makes bards a little more powerful, but bards (especially 3.0, when I made the rules) are kinda weak, any way.

Spellcasting at higher levels is all spontaneous, 'cause I'm not going to waste game time on people memorizing spells. It weakens the sorcerer, but the sorcerer is already so weak that my players won't take the class, anyway.

That's about it. More skills, especially "flavour" skills like crafts and knowledge, and quicker use of spells.
 

Oh yeah, a fairly neat rule is exploding d20s, or at least -10/30 for skills.

The second one is more useful; when rolling a skill or ability check, a 1 counts as a -10, and a 20 counts as a 30. Doesn't apply to other rolls like saves, attack rolls, spell resistance, whatever.

The exploding d20 rule is: whenever you roll a d20 check, if you roll a 1, it counts as -20, and you roll again. If you roll a 20, it counts as a +20, and you roll again. Can lead to some extreme variability in attack rolls, saves, whatever, but it gives players a chance of succeeding at the most challenging tasks, and failing at the most trivial :)

When using the "exploding d20" rule, you should use the first die rolled to see if an attack is a critical threat, but you should ignore the "saves and attacks always succeed on a 20 and fail on a 1" rule, this replaces that.
 

Here are some I am working out for an upcoming campaign:

Action Points as per D20 Modern

Alignment: Detect Evil, Good, Chaos, etc. Living creatures receive a saving throw to negate. DC of 10 + the level of the spell - Will of a potential target in range.

Armor bonus as Damage Reduction not AC bonus.

Defense Bonus for classes as per D20 Modern counterparts Strong Hero = Fighter and see below.

The two above are counteracted with lower availability of metal armors and the extreme scarsity of magical armaments above +1

Critical Threat automatically cause Critical Hits.

Massive Damage: When a creature or character suffers damage in a single round (not a single attack) higher than an ability score, up to three Saves may need to be made.

If damage > higher of Dexterity or Strength then Reflex Save vs DC=damage) the character is Knocked Down/Prone and Stunned 1d4 rounds.
Stunned: A stunned creature drops everything held, can’t take actions, takes a –2 penalty to AC, and loses his Dexterity bonus to AC (if any)
.Knocked Down/Prone: The character is on the ground. An attacker who is prone has a –4 penalty on melee attack rolls and cannot use a ranged weapon (except for a crossbow). A defender who is prone gains a +4 bonus to Armor Class against ranged attacks, but takes a –4 penalty to AC against melee attacks.
Standing up is a move-equivalent action that provokes an attack of opportunity.

If damage > higher of Intelligence of Wisdom then Willpower Save vs DC=damage) the character is Unconcious 1d4 rounds.
Unconscious: Knocked out and helpless.
Helpless: A helpless character is paralyzed, held, bound, sleeping, unconscious, or otherwise completely at an opponent’s mercy. A helpless target is treated as having a Dexterity of 0 (–5 modifier). Melee attacks against a helpless target get a +4 bonus (equivalent to attacking a prone target). Ranged attacks gets no special bonus against helpless targets. Rogues can sneak attack helpless targets.
As a full-round action, an enemy can use a melee weapon to deliver a coup de grace to a helpless foe. An enemy can also use a bow or crossbow, provided he is adjacent to the target. The attacker automatically hits and scores a critical hit. (A rogue also gets her sneak attack damage bonus against a helpless foe when delivering a coup de grace.) If the defender survives, he must make a Fortitude save (DC 10 + damage dealt) or die.
Delivering a coup de grace provokes attacks of opportunity.

If damage > Constitution then Fortitude Save vs DC=damage then the character is reduced to 0 hp but is stable.

Below 0 hit points: Treat character as Disabled.
Disabled: A character with 0 hit points, or one who has negative hit points but has become stable and conscious, is disabled. A disabled character may take a single move action or standard action each round (but not both, nor can she take full-round actions). She moves at half speed. Taking move actions doesn’t risk further injury, but performing any standard action (or any other action the DM deems strenuous, including some free actions such as casting a quickened spell) deals 1 point of damage after the completion of the act. Unless the action increased the disabled character’s hit points, she is now in negative hit points and dying. A disabled character with negative hit points recovers hit points naturally if she is being helped. Otherwise, each day she has a 10% chance to start recovering hit points naturally (starting with that day); otherwise, she loses 1 hit point per day. Once an unaided character starts recovering hit points naturally, she is no longer in danger of losing hit points (even if her current hit points are negative).

Below –10 hit points: Dead.

Healing is accelerated: Class Hit Die x Level per day.

Experience Points: In general xp will be given out generously, especially for what I consider “in-character” actions based on your character’s background, race, class, etc. Excessive metagaming is discouraged and may be penalized.

Hit point accumulate at the higher of the average (1/2 max) and a roll. Take the higher (i.e. a Fighter will get between 5 and 10 hit points each level)
A character may take no more than 1 prestige class and one second class in addition to his or her starting class. Racial levels do not count toward this limit.

Cleric: Defense Bonus of the Dedicated Hero or the Smart Hero. If taking the Defense Bonus of the Smart Hero, the character is only proficient with light armor but also gains additional spells per day as per the Priest class spell progression.
Fighter: Defense Bonus as per the Strong Hero or the Quick Hero. If taking the Defense Bonus progression of the Quick Hero, the character is only proficient with light armor and shields.
Sorcerer: Requires no material components for spells. The Sorcerer may instantaneously cast any spell she know which she has a remaining slot. Sorcerer may attempt to learn new spells from scrolls or from studying a spellbook of some other spell caster as long as the spell is on the sorcerer’s spell lists.
Wizard: May forgo material components in exchange for damage to Constitution of one point per level of the spell cast divided by ½ her level, round up. The Wizard has spell slots as per the Magister in Arcana Unearthed.
 

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