Fan-made Rules Book set in the universe of Fallout created to be used in conjonction of Steve Jackson's Games role-playing system GURPS 4th Edition.
The Original Fallout RPG [ edit ]
In 1995 when the very first Fallout computer game was being developed, the game's creators (Interplay) reached out to Steve Jackson to license the rules for his GURPS RPG in their new game. Ultimately, after more than two years of development, Interplay decided to discontinue their license, and wound up switching to the SPECIAL rules that (in some form) still power Fallout games today.
However, GURPS and Fallout have remained linked even after the official end to their relationship long ago. For instance, starting in Fallout 3, "GURPS" can be found as the password to various in-game terminals. And on the other end, GURPS has been the system of choice for many Fallout fans looking to run their own Fallout TTRPG campaign.
GURPS's system shares many similarities to the Fallout SPECIAL system, but that's only one reason that GURPS is a popular choice. Another is simply that, as a "Generic Universal Role-Playing System" GURPS is designed from the ground up to support virtually any campaign imaginable ... including Fallout.
GURPS, 4th Edition - Rules SummaryCollapse
Character Creation [ edit ]
Character creation in GURPS is detailed, but slow. There are no levels or classes, just points, which can be used to buy attributes, advantages, disadvantages, or skills. Different campaigns start with different amounts of points, so that (for instance) a superhero can start out as a more powerful character.
GURPS has four attributes: Strength, Dexterity, Intelligence and Health. Strenght and Healthy just define the character physically, while Intelligence and Dexterity are combined with skills to make skill checks.
Skills are how characters accomplish things in GURPS; for instance to shoot someone you would use the "Guns" skill. Skills are based on attributes, so for instance you might buy the Guns skill at a "Dex + 1" level. If you later improved your Dexterity, you'd similar improve your ability to shoot ... or do anything else physical.
Advantages cover any non-skill benefit a character might have, such as a high pain threshold, wizard training, or the ability to move objects with their mind. Advantages can also be further be customized with enhancements or limitations, allowing you to gain more or less powerful versions, that cost more or less points as a result. This can allow for a nearly any power you can imagine to be described as a GURPS advantage.
Similarly players can also take disadvantages for their character, such as Code of Honor or Blind, to gain extra points. All together this system allows for incredibly individualized character, including almost any you'd want to re-create from fiction or real-life (in fact, there are multiple GURPS books with stats for historical NPCs such as Ghengis Khan) ... but it can be a bit overwhelming to newcomers.
Core Mechanics [ edit ]
To succeed at an action in GURPS, players roll 3d6 and attempt to rull under a target number, which varies depending on the action. Most of the time the actio will be a "skill check", meaning the player will have to rul equal to or less than the character's relevant skill.
Critical Successes and Failures
If you fail a roll by more than 10 you critically fail the roll, and the GM decides what terrible fate results. Similarly if you beat the roll by more than 10 you instead get a critical success, dealing extra damage or otherwise succeeding with flair.
A Note About 3d6 (vs. d20 or Other Dice)
3d6 results in a far more predictable distribution of rolls than a single die roll (typical in other systems). Think about when you roll stats for a Dungeons and Dragons character: you usually get a lot of more 10's and 11s than 3's and 18's. In contrast, every d20 roll has an equal (5%) chance of rolling a 1 or 20 as it does a 10 or 11.
This allows GURPS to have critical successes and failures, but have them be rarer and more dramatic, while leaving most rolls with fairly predictable/average outcomes.
Combat [ edit ]
GURPS uses a hexagonal grid for combat. Hexes offers a benefit vs. square grids, when it comes to diagonal movemen: in square grid games (eg. D&D) characters moving diagonally move more quickly ... but since hexes don't have corners, they don't have this problem.
Unlike most games, GURPS does not have a random element to initiative. Instead, characters always move in order based on their basic speed (a stat derived from their Dexterity and Health scores).
If one group surprises the other they can potentially get several seconds of actions before their opponent can react ... and since a single round of combat in GURPS lasts a second, that can be significant.
On their (one second) turn a a character can take a single maneuver, plus any number of free actions (eg. talk or drop an item). A maneuver could be to move, attack, or move and attack (at a penalty), as well as other options such as aiming or feinting. A character who moves can move a number of yards equal to their basic move (ie. basic speed with fractions rounded off).
To attack a character makes a skill check with the appropriate weapon skill, applying a variety of modifiers for things like the target's size, range, and speed, or the weapon's accuracy bonus (if they took the time to aim), the lighting conditions, any cover the target has, etc.
If the check succeeds the target can then opt to make an "active defense". There are three options: Dodge, Block (eg. with a shield) and Parry (with a weapon), and ranged attacks can only be dodged. Active defenses are also a skill check, for Block and Parry; to Dodge you simply roll your Basic Move + 3.
If the active defense roll succeeds, the attack misses.
If an attack roll succeeds the attacker gets to make a damage roll, which will vary based on the weapon they use and other factors (eg. ranged weapons do half their damage when far enough away from a target). If the defender is wearing any armor they can subtract it's "DR" (damage resistance) from the damage, and the rest goes through.
Depending on the type of damage dealt, it might be multiplied now (eg. cutting weapons deal 1.5x ).
A Compilation of Fan-Made Fallout Material [ edit ]
Luckily, if a Fallout fan wants to start a new GURPS campaign today, they won't have to start from scratch. That's because a number of GURPS fans have already written conversion rules for various elements of the game, and then all of their efforts were combined into a single compilation by Nathan Robertson.
This free PDF begins with about 15 pages of description of the world of Fallout (mainly focusing on the area from the New Vegas game), then it offers roughly 25 more pages of rules, including racial templates for ghouls, robots, and super mutants, descriptions of gear, and of course a bestiary of Fallout monsters. It then finishes up with some handy random encounter/scavenging loot tables, an introductory adventure, and some details about Vaults in GURPS.
As a fan-made project, GURPS Fallout Compilation (unsurprisingly) lacks the polish of an official product, but if you're looking to bring Steve Jackson's "universal" RPG back to the world of Fallout, the compilation will be a great place to start.