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Generic Universal RolePlaying System

Tabletop and LARP Dungeons & Dragons GURPS Pathfinder

 /r/GURPS Monthly Campaign Update
Posted: 2025-11-01T10:00:44+00:00
Author: /u/AutoModeratorhttps://www.reddit.com/user/AutoModerator

This is a monthly r/GURPS thread for anything and everything related to your own campaigns. Tell us how you and your friends are making out. Update us on the progress of your game. Tell us about any issues you've run into and maybe we can help. Make suggestions for other players and GMs.

– submitted by – /u/AutoModerator
[link][comments]
 /r/GURPS Monthly Campaign Update
Posted: 2025-05-01T10:01:00+00:00
Author: /u/AutoModeratorhttps://www.reddit.com/user/AutoModerator

This is a monthly r/GURPS thread for anything and everything related to your own campaigns. Tell us how you and your friends are making out. Update us on the progress of your game. Tell us about any issues you've run into and maybe we can help. Make suggestions for other players and GMs.

– submitted by – /u/AutoModerator
[link][comments]
 Hit chances and Deceptive Attack optimization
Posted: 2025-11-08T21:56:04+00:00
Author: /u/arcanesorrowshttps://www.reddit.com/user/arcanesorrows
Hit chances and Deceptive Attack optimization

I did some math to figure the hit chance given specific attack and defense skills, and here are the results. Each cell contains the percentage chance to hit. Additionally I've figured out the optimal amount of deceptive attack to use in each situation, and applied some colour coding. Applying one stack of deceptive attack is the same as moving two cells up and one to the left on this chart.

The chart extends to unreasonably high numbers to show off that the pattern of Deceptive Attacks becomes repetitive for high effective skills, where the chances of regular and critical successes stop changing.

An interesting feature is the "chunk" missing on the right side of the graph (16 Attack/16 Defense being optimal when not using Deceptive Attack). It comes from the fact that for a very evasive opponent, the extended critical range from having 15 or 16 effective skill (and so a higher chance to bypass the defense roll completely) is worth way more than decreasing their defenses a tiny bit.

– submitted by – /u/arcanesorrows
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 When you use the Aim maneuver, can you accumulate bonuses "infinitely" or only until your third turn?
Posted: 2025-11-08T21:58:36+00:00
Author: /u/GuardiaoDaLorehttps://www.reddit.com/user/GuardiaoDaLore
When you use the Aim maneuver, can you accumulate bonuses "infinitely" or only until your third turn?

This is a question that came up on a server I participate in.

The question is: when you use your action to aim, on your first turn you receive the weapon's bonus, on the second turn a +1 bonus, and on the third turn a +2 bonus.

In my interpretation, you can continue aiming from the third turn onwards, accumulating +2 on the fourth and again +2 on the fifth.

His interpretation says that the bonus only accumulates until the third turn, and after that using the maneuver doesn't add any other bonuses.

Which of these interpretations would be correct?

– submitted by – /u/GuardiaoDaLore
[link][comments]

 Getting Into GURPS
Posted: 2025-11-08T23:44:04+00:00
Author: /u/my-armor-is-contempthttps://www.reddit.com/user/my-armor-is-contempt

Long time TTRPG GM and player, first time GURPS researcher. GURPS is a noteworthy blind spot in my TTRPG history, and I want to change that.

I have a few questions for those of you who have been at GURPS for a while:

  • Is the latest edition, fourth, the best edition to play?
  • Can I reasonably expect that the Basic Set Characters and Campaigns books, an addition to a specific setting book, will provide me with everything I need to run a successful GURPS game?
  • Speaking of settings, I want to run a Low Tech game. Beyond the Low Tech book itself, are there any other supplemental GURPS materials that you recommend I leverage in order to build my game?

Any other advice you have, that I didn’t think to ask for, would be greatly appreciated.

– submitted by – /u/my-armor-is-contempt
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 tk that someone can hurt? maybe some form of stretching?
Posted: 2025-11-09T00:49:24+00:00
Author: /u/Prestigious_Length27https://www.reddit.com/user/Prestigious_Length27

the idea is someone being able to extend their actual hand across a distance. I know stretching exists with the force thing or whatever, but what I want is like, there's no arm between the hand and the body. the hand can still be harmed though, cause it's their actual hand.

the flavor is that they're putting their hand through a portal to cross a distance with just their hand, so yeah.

– submitted by – /u/Prestigious_Length27
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 Converting from GURPS to...
Posted: 2025-11-09T05:21:44+00:00
Author: /u/Ka_ge2020https://www.reddit.com/user/Ka_ge2020

You, like I, love GURPS.

You have created a setting, poured the sweat into it,and feel others would love it, too. Maybe it's good enough to publish, you think to yourself.

But it's GURPS. There's no chance that your going to be able to do that. So you look for an open system that you could convert the setting to, but using the work that you have done.

What system do you choose, and why?

– submitted by – /u/Ka_ge2020
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 Size Changing Portals?
Posted: 2025-11-08T15:43:58+00:00
Author: /u/Prestigious_Length27https://www.reddit.com/user/Prestigious_Length27
Size Changing Portals?

(edit) okay so for me the image i attatched breaks every time i post this, so just go to the link at the bottom for visual reference to what i'm talking about. should be about the 4th image down.

So, I'm trying to figure out how to do this power.

The idea is basically a character who can create portals (warp with tunnel, already know that part) but then I want it to be like, the portal ends can be different sizes, and going through them changes the size of whatever went through.

the current desired applications are 'putting their fist through a small portal to have it come out big through another portal' and 'throw a small object through a portal to have it become a large projectile'

also want the idea that any size changes eventually revert back, organic objects faster than inorganic

https://preview.redd.it/h7ln294g020g1.jpg?width=1920&format=pjpg&auto=webp&s=82c5e48fd39c6144524fd099f122e0b9b7f5f0a5

image credit to : deadslug

– submitted by – /u/Prestigious_Length27
[link][comments]

 troubles trying to register to steve jackson forums
Posted: 2025-11-08T16:50:09+00:00
Author: /u/Bulky-Will-2560https://www.reddit.com/user/Bulky-Will-2560

Had anyone have the same issue?

Got an email from them telling me that my account was not approved because of :

• A honkingly obvious falsification of data. Feel free to try again with real information.
• Failure of parent or guardian to send approval info when the person registering is under 13. All you can do is ask them again nicely, and reregister after they have agreed to approve you. Or wait until you're 13 . .

I used a regular email and I dont get where they get the idea I am not 13 years old...

Is it a know issue?

– submitted by – /u/Bulky-Will-2560
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 Some inferred armor penetration enhancement values
Posted: 2025-11-08T02:57:37+00:00
Author: /u/Glen_Garrett_Gayharthttps://www.reddit.com/user/Glen_Garrett_Gayhart

Armor Penetration Enhancements Table

DR Type (Below) Ignores all DR Ignores all but 1 DR Armor Divisor (100) Armor Divisor (10) Armor Divisor (5) Armor Divisor (3) Armor Divisor (2)
Everything +300% +200% +300% +200% +150% +100% +50%
Very Common +240% +160% +240% +160% +120% +80% +40%
Common +180% +120% +180% +120% +90% +60% +30%
Occasional +120% +80% +120% +80% +60% +40% +20%
Rare +60% +40% +60% +40% +30% +20% +10%

An enhancement that makes an attack ignore DR is worth +300%.

Arcing Surge +100% reduces all conductive metal armor to DR 1 and includes the effects of Surge +20%, so an enhancement that just reduces conductive metal armor to DR 1 (perhaps appropriate for some kind of para-energy attack) is worth +80%.

"Conductive Metal" is an Occasional subset of "Metal", which is itself a Common subset of "Physical", which is itself a Very Common subset of "Everything". We can infer that if Ignores All DR Types is worth +300%, Ignores Very Common DR Types is probably worth +240%, Ignores Common DR Types is worth +180%, Ignores Occasional DR Types is worth +120%, and Ignores Rare DR Types is worth +60%. (We're just applying the Limited limitation to the enhancement).

We can also infer that Ignores all but one DR is probably worth 2/3rds as much as Ignores all DR, because that's the ratio between 80 (the known value for Ignores all but one Occasional DR) and 120 (the inferred value for Ignores all Occasional DR).

Therefore, we can make the above table.

~ ~ ~

So, an enhancement like Ignores all but 1 Physical DR is probably worth +160%, or Ignores all but Internal DR is probably +240%, Ignores all but 1 Metal DR is probably +120%, Ignores all worn DR is probably +240%, etc., etc.

– submitted by – /u/Glen_Garrett_Gayhart
[link][comments]
 Parry in any direction??
Posted: 2025-11-07T17:34:53+00:00
Author: /u/Funnyman5050https://www.reddit.com/user/Funnyman5050

Can you parry from any facing?

I know with the shield you can only block from the side you shield is to the front.

– submitted by – /u/Funnyman5050
[link][comments]