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Category: Rules

GURPS Time Travel…

TimeWatch to GURPS (T2G) Conversion Crosswalk

12 May 202511 May 2025
GURPS is more granular than TimeWatch (GUMSHOE) in the categorization of abilities, so I whipped up this list to help me use TimeWatch adventures in GURPS. For instance, when you…
GURPS Time Travel…

Comparing TimeWatch and GURPS Time Travel

5 May 20254 Jul 2025
I have been quite delighted to read the TimeWatch RPG over the last few days -- I'm not sure why it took me so long to get around to it.…
Game Aids…

GURPS-O-SCOPIC (A One-Page Character Sheet for new players)

8 Nov 202321 Nov 2023
GURPS-O-SCOPIC (pronounced like microscopic) stands for GURPS On Simplified Character sheets Oriented toward Players just Introduced to the Canon. Canon in this case meaning, "a collection or list of sacred…
Rules

Incompetence vs. Delusional Competence (Rules Nitpick)

12 Aug 2019
Super minor thing that I'm noting here. I love the GURPS Power-Ups 6: Quirks book but I just noticed that the write-up distinguishing "Delusional Competence" from "Incompetence" is a little…
Deeps of Lyrae…

How to Choose Your Maneuver in Basic Space Combat (And: One-Page Move Flowchart)

12 Jul 20195 Jul 2019
It's a free fan-produced game aid! Download the GURPS Spaceships basic space combat Pilot Move flowchart v. 1 in either PDF or Microsoft Word for GURPS 4th edition: Download PDF:…
Game Aids…

The GURPSICLE (A One-Page GURPS Game Aid / Cheat Sheet)

21 Jun 201927 Jul 2020
It's a free fan-produced game aid! Download The GURPSICLE (GURPS In a Concise Limited Edition cheat sheet) v. 1 for GURPS 4th Edition: Download PDF: GURPSICLE.pdfDownload Download Editable Microsoft Word…
Deeps of Lyrae…

Spaceship Minor Loot Table

29 May 201917 Jun 2019
Loot tables are staples of dungeon-crawl RPGs. But it can be hard to find anything equivalent if you are planning a game crawling through TL11^ spaceships. I know I will…
Deeps of Lyrae…

Table of Hard Vacuum Effects on Equipment

27 May 201917 Jun 2019
So, you went to space and left the door open? As discussed in my last post, this table is a "missing sidebar" describing what happens to things on spaceships after…
Deeps of Lyrae…

The “Missing Sidebar” Problem: Equipment and Vacuum

20 May 201917 Jun 2019
I’m not sure where to file this complaint, but I want to share it: It seems like sci-fi RPGs have gotten a little too conservative in the kinds of rules…
Deeps of Lyrae…

Tonnage: Converting Spaceship “Tons” Between Traveller and GURPS

25 Mar 201917 Jun 2019
A great benefit of a campaign based on Traveller is that there is such a large amount of Traveller material available to draw from – both fan produced and otherwise.…
Deeps of Lyrae…

The Long Voyage Eccentricity Table

11 Mar 201917 Jun 2019
Living together with strangers in a small space (a spaceship) while embarking on a difficult new endeavor (space piracy) is mentally stressful. And if you add in space combat, being…
Deeps of Lyrae…

Fewer Combat Cards?

4 Mar 201925 Jun 2019
The GURPS Combat Cards (PDF download: free!) are designed to make the combat rules simpler for new players and to help them understand what is going on. I agree it's…
Deeps of Lyrae…

The Combat Rules: My Subset

25 Feb 201917 Jun 2019
The GURPS Basic Set invites you, the Game Master, to think of the game as an a la carte menu. While there are hundreds of books of rules, your job…
Deeps of Lyrae…

Harsh Words About the Planetary Worksheet: Avoid It

4 Feb 201917 Jun 2019
I just tried to gin up the stats for the first planet of the Deeps of Lyrae campaign: Family Whee. This is the backwater planet described at the end of…

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Greatest Hits

  • The GURPSICLE (One-Page GURPS)
  • 25 Obscure Sci-Fi Character Ideas (For the Hard-to-Please)
  • 45 GURPS Templates Relevant to Sci-Fi
  • How to Maneuver in Basic Space Combat (Flowchart)
  • Table of Hard Vacuum Effects on Equipment
  • Spaceship Minor Loot Table

Notice

This blog is for GMs: always expect spoilers. The material presented here is my original creation, intended for use with the GURPS system from Steve Jackson Games. This material is not official and is not endorsed by Steve Jackson Games. GURPS is a registered trademark of Steve Jackson Games, and any GURPS art here is copyrighted by Steve Jackson Games. All rights to GURPS are reserved by SJ Games. This material is used here in accordance with the SJ Games online policy. My own material is © 2019 Weevis (a generally known alternative designation of the copyright owner).
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