Attack Rolls in Combat

When an assailant makes an attack, they roll 1d20 and add their base attack bonus, the weapon’s relevant attribute modifier, and their relevant combat skill level. If they lack even level-0 in the appropriate combat skill, they apply a -2 penalty to the roll. If the total is equal or greater than the target’s relevant Melee or Ranged Armor Class, they hit. If less, they miss.

Every weapon listed in section 3.4.0 is listed as using one or more attributes, such as either Str or Dex for a knife. The attacker may choose either attribute for modifying the weapon’s attack and damage rolls.

NPC Attack Rolls

NPCs usually do not have attribute modifiers or skill levels. Instead, the attack bonus of a trained NPC combatant is usually equal to their hit dice, often with an additional bonus to reflect particularly good training or talent.

Attack Roll Modifiers

Some common situations can modify an attack roll, granting a bonus or penalty. GMs may add others depending on the situation. Attackers with the Gunlink cybersystem ignore 2 points of penalty applied by cover or concealment, and do not suffer penalties for long range firing.

Circumstance	Mod
The target is prone and not in melee range.	-2
The target is prone and adjacent.	+2
Your target is past your gun’s normal range, up to its maximum long range.	-2
You are prone and trying to make a melee attack.	-4
The target is at least half behind cover.	-2
The target is almost complete behind cover.	-4
You are making a thrown attack while in melee with someone.	-4
You are shooting a one-handed gun while in melee with someone.	-4
You are trying to shoot a two-handed gun while in melee with someone.	N/A
You are shooting at a target you can’t see but you know where they are.	-4
You are shooting at a target you can’t see and don’t know their exact position.	N/A