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DoubleZero Worlds: Santa Claus CRUSHES the Martians


A setting toolkit for DoubleZero: Modern Roleplaying

In the frigid expanse of the Martian polar ice caps, an unlikely alliance had formed. Santa Claus, his once rosy cheeks now set in determined resolve, stood alongside his ragtag team of children, elves, and rogue Martians, their breath forming frosty clouds in the thin atmosphere. Before them, a squad of green-skinned, antennaed warriors plotted nefarious deeds against Christmas, their spacecraft looming ominously over the crimson landscape. The fate of two worlds hung in the balance, and with a twinkle in his eye, Santa knew it was time to show the bastards that the spirit of the season could overcome even the most alien of threats.

It was time... for Santa Claus to CRUSH the Martians.

Immerse yourself in the ultimate festive showdown with Santa Claus CRUSHES the Martians setting toolkit for DoubleZero: Modern Roleplaying! Step into a world where jolly old Saint Nick thwarts the nefarious plans of those pesky Martians. It's an experience that combines the holiday spirit with heart-pounding action.

  • Unleash the Power of Santa: Assume the role of Santa Claus, the embodiment of joy and giving, armed with his sack of presents and a hearty laugh that can melt even the iciest Martian hearts. Embrace your inner St. Nick as you spread cheer to children and bring fear to the Red Planet.
  • Face Off Against Martian Menace: The Martians are no pushovers! As a team of unlikely allies, including children, elves, and rogue Martians. you'll need to strategize and coordinate your efforts to outsmart and defeat these otherworldly invaders. Will you be able to save Christmas and Earth from their sinister schemes?
  • Spread Christmas Cheer: Bring the holiday spirit wherever you go! As Santa Claus, you'll have the power to uplift your team and crush even the grumpiest of Martians. Use your festive magic to inspire hope and turn the tide of battle.
  • Unforgettable Adventures Await: Dive into a thrilling narrative filled with twists, turns, and heartwarming moments. This setting offers a unique blend of holiday cheer and action-packed drama that will keep you engaged from start to finish.

This Book Includes

  • Worldbuilding: How to utilize and develop the setting elements you’ll need to successfully run this setting, including the genre, setting, theme, and tone.
  • Characters: Information on the types of player characters, antagonists, and supporting characters most appropriate for this setting.
  • Factions: The central organizations for this setting, including their purpose, how they’re organized, the resources at their disposal, and key supporting characters.
  • Adventures: Elements you’ll to run this setting adventures. This chapter covers the premise, goals, obstacles, and stakes, and includes a selection of plot hooks to get you started.

A copy of DoubleZero: Modern Roleplaying is needed to play.


The DoubleZero System is a roleplaying toolkit. First designed for action, espionage, and thriller adventures, the skill-driven roleplaying system is perfect for mysteries, police procedurals, and crime dramas based on your favorite television series, movies, and novels. DoubleZero works with any “realistic” modern setting that doesn’t lean into magic, the supernatural, or superpowers.

The Toolkit Approach

Roleplaying is a creative and collaborative activity. A large portion of the joy it brings is from making up the things that add to the experience. The reason DoubleZero: Santa Claus CRUSHES the Martians is a toolkit and not a highly developed setting with tons of worldbuilding details is so there’s room left for your imagination. While it can be cool to read setting guides that cover everything down to the last detail, in play it can box you in and make you feel that your ideas don’t fit or aren’t valid. The goal here is to give you as much as you need to get started, then step aside and let you turn this into whatever you and the other players want it to be.

Content Warnings

When planning a roleplaying experience, it's crucial to consider the comfort levels and boundaries of everyone involved. We recognize the importance of providing content warnings for potentially distressing material. Here is a comprehensive list of content warnings that may arise while using this toolkit:

  • Alcohol Reference: Alcoholic beverages, like eggnog and Martian concoctions, may be mentioned or consumed by characters.
  • Cultural Sensitivity: The portrayal of Martian culture may include elements that some players may find culturally sensitive or offensive.
  • Emotional Impact: Players may encounter emotionally charged moments, including the threat to Christmas and Earth.
  • Explosions and Destruction: The game setting features explosions, property damage, and high-stakes action scenes.
  • Fantasy Violence: The setting involves fantastical weapons and combat abilities used against Martians, emphasizing the fictional nature of the conflicts.
  • Fear and Tension: Players may encounter suspenseful situations and frightening Martian creatures.
  • Mild Language: Occasional use of mild profanity and strong language may occur during intense moments.
  • Perilous Situations: Characters may face life-threatening challenges and scenarios throughout the game.
  • Realistic Violence: This setting may contain intense combat scenes and action sequences against Martian adversaries.
  • Thematic Elements: The story explores themes of holiday spirit, heroism, and the consequences of greed and selfishness.

To view a sample of this book's contents, click on the "preview" link located under the cover image.

At Lightspress Media, we take a lo-fi approach to roleplaying. Our focus is on the utility and value of the content, rather than flashy production. Visual elements are employed strategically to amplify the message conveyed by the text. This aesthetic choice allows us to create powerful and affordable toolkits. Remember, the true essence of the roleplaying experience lies not within the pages of a book, but in the creativity and collaboration fostered around your tabletop. 

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File Last Updated:
October 30, 2023
This title was added to our catalog on October 30, 2023.