Editing Cyberpunk 2020 (section)

== Gameplay ==
Each of the three editions used a similar rules system with some significant differences. The ''CP2020'' ruleset is known as the ''Interlock'' system, whereas the third edition uses the ''Fuzion'' system.

In ''CP2020/Interlock'', each character has a set of statistics: Intelligence (INT), Reflexes (REF), Cool (CL), Technical Ability (TECH), Luck (LK), Attractiveness (ATT), Movement Allowance (MA) and Empathy (EMP). Stats have a minimum value of two and a natural maximum of 10, with certain cyberware, implants and bioware capable of boosting certain stats above 10. Stat scores could be generated by several methods: the 'random' method of rolling 9D10 for a number of points, which are then assigned to the stats; the 'quick' method of rolling a D10 nine times, ignoring rolls of a 1, and assigning the scores as desired; and the 'cinematic' method whereby the Referee (the Game Master) decides how many points to give the players to spend on their stats.

Characters then have to choose a Role (a character class). Each role has a list of ten core skills, including a 'special ability' unique to that class. They have 40 points to assign to those skills, to a maximum skill level of 10. A player could take all ten skills to level four, or just four of them to level 10, or anywhere in between. A character's level in their special ability indicates their place in the pecking order for their profession, and therefore how much money they start with. After that, each character gets a further number of points, equal to the sum of their INT and REF scores, to spend on 'pick-up skills' not on their core list. This is where most characters get skills like Drive or Swim, or combat skills if they don't have any on their core list. This is also the first indication of which stats are most important in the game.

The character roles and their corresponding special abilities are:

*'''Aerojock''' (Aircraft Sense) - Pilot.
*'''Con Man''' (Con) - Tricking people into giving you their money instead of stealing it.
*'''Cop''' (Authority) - [[Judge Dredd|YOU ARE THE LAW]].
*'''Corporate''' (Resources) - You are The Man. Even if you're a woman.
*'''Covert Specialist''' (Combat Sneak) - For someone who wants to be sneaky when they're not shooting people.
*'''Dancer/Prostitute''' (Vamp) - Selling yourself.
*'''Divemaster''' (Aquatic Sense) - [[Wat|For those who want to spend all their time underwater]].
*'''Fixers''' (Streetdeal) - Gun-runnin', drug-dealin', product-fencin' ne'er-do-wells.
*'''Media''' (Credibility) - The brave and crazy sons of bitches who get in the heat of things to report on them.
*'''Medtechies''' (Med Tech) - [[Team Fortress 2|MEDIC]]!
*'''Netrunner''' (Interface) - Hackers. Playing one will have the rest of the party hate you because once you're Nethacking there's nothing they can do.
*'''Nomads''' (Family) - Playing Mad Max is fun, but sometimes you just want to get beyond Thunderdome.
*'''PA Trooper''' (APCA Combat Sense) - For those who just want to shoot people up while wearing a giant suit of power armour.
*'''Private Investigator''' (Research) - Finding things that might not want to be found.
*'''Prowler''' (Sneak) - [[Rogue|Thief]].
*'''Rockerboy''' (Charismatic Leadership) - What rockers and punks all over the world wish they are.
*'''Runner''' (Vehicle Zen) - Drivers.
*'''Scavenger''' (Scrounge) - Finding ways to use trash.
*'''Solo''' (Combat Sense) - For those who just want to shoot people up.
*'''Spy''' (Chameleon) - A spy, but not the [[James Bond]] kind.
*'''Subjock''' (Sub Tactics) - Submersible pilot.
*'''Techie''' (Jury Rig) - All that tech needs maintenance.

All skills are linked to a stat. Tasks are resolved by rolling a D10, adding your skill level and stat score plus any positive or negative modifiers for the situation, and trying to beat a difficulty number for the task (usually a multiple of five). A roll of a one on the D10 is an automatic failure, with a roll on the mishap (fumble) table to see if something bad happens to you. A roll of a 10 is an [[exploding die]]: You roll the dice again (ones are not automatic failures this time) and add the score to that of the first die. A second roll of a 10 means another re-roll. If you roll enough tens in a row you can succeed at any difficulty of task. Skills which the player has no points in receive a -3 modifier.

Combat starts with everyone rolling D10 plus their reflexes for initiative. Solos add their Combat Sense ability to the roll as well, which makes them far more powerful in combat than any other role. Shooting is a task like any other, although there are special rules for suppressing fire (hosing down an area) and some unusual weapons. Hand-to-hand combat is an opposed roll between the two enemies. Rounds are three seconds long, but characters can take multiple actions at a cumulative -3 modifier for every action after the first.

Weapon damage is rated as a number of D6s or D10s to roll, often plus or minus a few points. Armour and cover have a Stopping Power (SP) number, which is subtracted from weapon damage. Each character has a Body Type Modifier (BTM) from 0 to -5 or more based on their BOD. BTM is applied to damage that gets through cover and armour, but cannot reduce the damage to less than one.

Body locations are used for hits (so make sure you wear leg armour) which is either determined randomly or by a called shot to a location (with a corresponding penalty to hit). However, while locations have their own SP, damage is applied to a single wound track, with boxes to cross off for each point of damage taken. The boxes are arranged in blocks of four, which correspond to different wound states: Light, Serious, Critical, Mortal 0, Mortal 1 etc. When a character takes a Light wound, they have to make a Stun/Shock save (rolling under their BOD on D10) to keep from passing out or collapsing. At Serious, they must save against their BOD -1, at Critical against their BOD -2 and so on. At Mortal 0, the character also has to make a Death Save against their BOD to avoid dying, and then again every round until thay are stabilised by a First Aid task or they die. At the Mortal 1 wound state the Death Save is against BOD -1, at Mortal 2 against BOD -2 and so on.

Any hit to a limb or the head that does a total (after all modifiers) of more than eight points of damage either severs the limb or mangles it beyond repair, so that it will have to be amputated. The character has to make an immediate Death Save at Mortal 0. For head hits this means instant death, and damage from head hits are doubled (so wear a helmet, or a Kevlar bandana!). What this meant in effect was that after a few fights you ended up with a mix of odd-coloured donor limbs or you went maximum metal -- the name of the most power-gamey supplement they published by the way.

The three most important stats in the game are Reflexes, Body Type and Intelligence. Reflexes is used to determine your chances of hitting, as well as dodging. Body Type, which helps you soak up damage, can be increased by up to 5 via a couple of bioware and graft implants. Intelligence is important because it gives you more starting skills. Furthermore, most of the skills are based on INT or REF, with hardly any based on Cool, Attractiveness or Body Type. ATT can be raised from two to ten by spending enough money at the plastic surgeon. Movement Allowance is useful but can be increased to 12 by buying the Speeding Bullet or Corvette cyberlegs from one of the Chrome Books.

A high Empathy can be important because having cybernetics installed gradually reduces this stat. When your EMP reaches zero you enter ''cyberpsychosis'' and go on an uncontrollable killing spree -- which probably describes your pre-cyberpsychosis lifestyle quite aptly -- and the GM takes control of your character. It is important to note that intelligent players can use genetic modifications (available in Eurosource supplement books) and bioware to minimize Humanity Loss while still increasing combat effectiveness.

Every character gets a number of points equal to their Luck stat every session, which they can use to modify die rolls (by adding it to the roll, some players argue this is the most important stat to have).