Prep & Play TTRPGs
One-Page Systems
Based on Jeri's "Create Your Own One-Page RPG" workshop that has been taught at conventions, conferences, and universities since 2022, the "mechanics" side of Create Your Own One-Page RPG resulted in 12 SYSTEMS focused on the "lean" one desires in their rules:
Character-Leaning (if they try it, they can do it, and creativity leads the way)
World-Leaning (if it exists in the world, the players will have to engage with it using combat, skills, or equipment; interaction is unavoidable)
Mechanics-Leaning (some chance and application of the rules-whether from dice, cards, coins, spinners, or any other idea-and their results determine all outcomes)
The fruit of these teachings, all of Jeri's "Create your Own One-Page RPG Mechanics," work are her "Prep & Play TTRPGs: One-Page Systems." They are yours 100% FREE to download below (or, for $10-with tax and shipping included-receive 2 copies, 1 for gamemaster and 1 for players, in high-quality print and heavy-duty lamination to allow dry-erase capability; ships in 2 biz days).
Use the systems to play with "Create your Own One-Page RPG Adventures" (Called "Story & Saga TTRPGS: One-Page Scenarios," to enjoy with any of your own favorite worlds and gamemaster sandboxes, including those from 1-Page Dice Dungeons, or simply to use as inspiration for developing your own One-Page TTRPG mechanic. Take the Create Your Own One-Page RPG Workshops in Jeri's Digital Classroom and watch for the re-release of the "One Shot In The Arm Series" (originally launched in 2023) in which you have the resource for writing your one-page adventures, with the included Story & Saga Scenarios and Prep & Play Systems as examples.
Want even more cool one-page mechanics!
If you enjoy "Prep & play," you'll also love 1-Page Dice Dungeon Rulesets from Red Rose Works - $5 Rulesets based on varying dice:
Character Leaning
Group Play
Theater Of The Dice - D20 Variant
The cinematic, imagination-first experience. If players can describe it, they can attempt it.
Theater Of The Dice - Polyhedral Variant
The complete toolbox edition utilizing the full polyhedral set for varied probability and consequence.
Solo Play
My Solo Theater - D10 Variant
A reflective character journey balancing personal growth with structured probability.
My Solo Theater - Standard Card Deck Variant
A standard fifty-two-card deck introduces emotional turns, narrative twists, and unexpected opportunities.
World Leaning
Group Play
Trials Of The World - D100 Variant
Percentage-based world interaction where the environment drives the adventure.
Trials Of The World - D12 Variant
A faster-paced world-focused experience emphasizing environmental challenges and dramatic survival.
Solo Play
My Solo World - Coin Flip Variant
A minimalist survival experience where every important decision becomes a simple binary outcome. Ideal for harsh environments, difficult choices, and unpredictable worlds.
My Solo World - Block Stack Variant
The world itself becomes unstable. Every pull from the block tower represents growing environmental tension until the landscape, situation, or circumstances finally collapse.
Mechanics Leaning
Group Play
Tactics Of The Roll - D6 Variant
Fast tactical play emphasizing positioning, planning, and efficient decision-making.
Tactics Of The Roll - D8 Variant
Expanded tactical depth with broader probability and more calculated decision-making.
Solo Play
My Solo Tactics - Timer Variant
Real-world time replaces randomness. Players must think, decide, and act before the clock expires, rewarding planning and efficiency.
My Solo Tactics - Random Choice Variant
A customizable framework encouraging players to invent or adopt their own method of resolving uncertainty while preserving the Prep & Play structure.
Suggested alternatives include:
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Bag Draw — Draw colored or numbered tokens with changing probabilities.
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Spinner — Select choices for success, failure, and variations thereof.
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Token Pool — Spend, earn, and manage limited resources.
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Rock–Paper–Scissors — Resolve conflicts through quick strategic choices.
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Dominoes — Compare values or build sequences to determine outcomes.
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Story Cubes — Interpret symbols to inspire narrative developments.
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Your Own Method — Create any resolution engine you enjoy. If it can meaningfully determine uncertainty, success, failure, or consequence, it can become part of your Prep & Play experience.