GURPS Classic: Time Travel

✍ Scribed by Steve Jackson, John M. Ford

• Publisher: Steve Jackson Games Incorporated
• Year: 2020
• Tongue: English
• Leaves: 130
• Category: Library

✦ Synopsis

http://www.sjgames.com/gurps/books/TimeTravel/

✦ Table of Contents

Contents
Introduction
About GURPS
About the Authors
Alternate Worlds in Other Campaigns
1. The Time Travel Campaign
Mission Types
The Bad Old Good Old Days
Magic in History
Mission Control
Time Travel in the Magical Campaign
The Hardware Dilemma and the Software Mismatch: or, Why the Biggest Problem Isn’t So Big
Through the Rabbit-Hole
Turning a Historical Campaign Into Time Travel
Accidental Transport
Gates
Crosstime Recruitment: Horror
Unstuck in Time
Space Travel
The Scam
Things to Invent
Cross-Time Inventors
Raising Local Tech Levels
Gadgeteering
Black Powder
Duplicating Strange Gadgets
Other Weapons Technology
Medicine
Quick Gadgeteering
Packing for a Trip to the Past
Optional Rule: “Gizmo” Gadgets
Other Sources: A Shameless Plug
2. Characters
Typical Character Types
Advantages, Disadvantages and Skills
Advantages
Disadvantages
Skills
New Advantages
New Disadvantages
New Skills
The Players as Themselves
Re-Creating Historical Characters
Footnote Characters
“I Didn’t Know You Were Real!”
Purely Fictional Characters
Ancestors
Original Characters
Staying in Period Character
3. Temporal Physics
The Physical Setting
Changing the Past
The Linearity Principle
Beacons
Messages from the Past
Magical Time Travel
Parallel Worlds
Talking To Yourself
Time Travel and Space Travel
Communication and Observation
Geometrodynamics
The Observer Effect
Degrees of Observation, and Loopholes
Oscillating Time
No Machines!
Working Around the Observer Effect
Parallel Worlds
4. The Time Corps
Mechanics
Time Travel Glossary
Agent Slang
Game Mechanics
The Windows
Eddies and Uncertainty
Crunch Time and Slack Time
The Enemy
The Hive
Other Realities and Doubled Agents
Time Agents
Stopwatch Agents
Field Agents
Detecting Interventions
Time Agent Equipment
Changing History
Long-Term Effects
Typical Mission
Visitors From The Future
Record-Keeping and the Observer Effect
The Observer Effect vs. Changing History
Gross Changes: A Bad Idea
Revival: Medical Help at ABET
5. Psionic Time Travel
Physical Projection
The Time Draft
Equipment
Retrogression: Special Difficulties
Mental Projection
Past-Time Characters
Other Psi Abilities
Death and Return
Psi in Other Campaigns
6. Other Campaigns
In the Cube
Overview
Mechanics
In the Cube: Physics and Paradox
Adventures in the Present
The Illuminati
Variations
Eternity’s Rangers
Ranks and Promotion
Discipline
Overview
Characters
Crosstime Soldiers: Variations on a Theme
Mechanics of Travel
Uniforms
Port Shanghai
Equipment and Medicine
Missions
Limitations
The Free-Timers
Rest and Recreation
But What’s the Point?
The Order of the Hourglass
Overview
Mechanics
Carrying Items to the Past
Equipment
The Enemy Circles
The Horatio Club
Portal Dimensions
Other Scenario Hooks
7. Alternate Worlds
The Infinite Worlds Campaign
Infinite Worlds Glossary
Interview Questions
Policy
An Infinity of Worlds
Classes of Alternate Worlds
Technology
The Parachronic Viewer
The Parachronic Projector
Field Generators and Conveyors
Close Parallels
Farther Parallels
Operation and Accidents
Weird Parallels
The “Myth” Parallels
The Hell Parallels
The IST World
Infinity Unlimited
Parachronic Laboratories
White Star Trading
Enigma
Dead Worlds
Infinity Development
Miracle Workers
The Infinity Patrol
World-Jumpers
Penetration Missions
The Worlds That Break The Rules
Outside Organizations
The United Nations
Governments
Research Foundations
Keeping the Secret
Corporations
Keeping the Secret: Eraser Drug
Crosstime Colonies
Keeping the Secret: Extreme Measures
Centrum
Language
Technology
Characters
Keeping the Secret: Coventry
Crosstime Conflict
Timeline Shifts: Changing “History”
Effects of Tampering With Echoes
Results of a Timeline Shift
Time Before a Shift, and Time to Find a “Lost” Timeline
Time Tours, Ltd. (or, If It’s Tuesday This Must Be 1066)
Mysteries
Rules and Regulations
The Boinger
Marooned!
Timeline
Bibliography
Index
Time Travel Campaign Plan
Alternate Worlds Campaign Plan

✦ Subjects

GURPS