Rollful

A hosted dice-rolling API powered by OpenDice. Roll dice anywhere, and show the work.

Overview

Rollful is a hosted dice-rolling API. It rolls dice over HTTP: a request carries a formula, and Rollful parses it, rolls each die through a cryptographically secure generator, and returns every die it rolled rather than only the total. It is not tied to any game system. It knows what 4d6kh3 means and nothing about what the caller uses it for, so it suits a virtual tabletop, a character sheet, a Discord bot, or anything else that needs a roll it can show the working for. The formula grammar covers flat modifiers, advantage and disadvantage, keeping the highest or lowest dice, exploding and penetrating dice, multipliers, several terms in one roll, and tags. The response lists every die with a flag saying which ones counted, so an interface can show the die a keep rule dropped instead of hiding it. A GET request handles a plain formula. POST adds bonuses and tags, and a batch endpoint takes up to 20 rolls in one request. Every response and error has the same documented shape, described by an OpenAPI 3.1 document. There is no account and no API key. Usage is rate limited rather than metered. The homepage carries a form for rolling dice straight from the browser. Rollful is powered by the OpenDice npm package, which is free to use directly in any JavaScript or TypeScript project.

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Other entries

Gamma World
Tabletop Roleplaying Games

Gamma World

Wizards of the Coast
Sci-fi
Rules-medium
Gamma World is a post-apocalyptic science fantasy roleplaying game created by James M. Ward and Gary Jaquet, first published by TSR in 1978. Over more than four decades the game has been rebuilt from the ground up seven times by nearly as many publishers, and the most recent overhaul came in 2010, when Wizards of the Coast released a stripped-down, card-driven edition built on a pared-back version of the Dungeons & Dragons 4th Edition engine.  Where D&D sends heroes out to save a kingdom, Gamma World drops mutant scavengers into the wreckage of a shattered Earth to fight over technology nobody left alive still understands. Description Gamma World is gonzo by design. A character isn't built so much as collided into existence: two randomly rolled Origins get mashed together into one being, however little sense the combination makes ("I'm a Radioactive Yeti," to use the game's own example). From there, characters spend the session drawing from decks of mutation and salvage cards that shift constantly - the powers a character has at the start of a fight are rarely the ones they'll have by the end of it.  Combat is lethal and character turnover is high, so the game leans into its own chaos rather than fighting it: sessions play fast, tonally silly, and are built to be picked up and put down in a single evening rather than carried across a long campaign.

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Omniarole
Tools & Platforms

Omniarole

English
Spanish
French
Omniarole is a simple world-building platform that runs in your browser on phone or laptop, so you can prep and play wherever you are. Players can use it too, to manage their own character sheets, synced in real time with the DM's campaign.

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Glasgow Tales and Tabletop Gathering (18-19 July)
Tabletop events

Glasgow Tales and Tabletop Gathering (18-19 July)

18–19 July | ACVC Hub, Orton Place Industrial Park, Glasgow Near Ibrox Subway Station A free roleplaying and Storytelling event, Traders, Games, Socialising and more. Roll the dice on something different at the Glasgow Tales and Tabletop Gathering. A brand-new weekend of interactive storytelling, tabletop roleplaying games, creativity, and community connection. Hosted at the accessible ACVC Hub, this two-day gathering is designed to welcome everyone, from complete beginners to experienced players into a friendly and supportive gaming space where imagination comes first. This is a space built around welcoming people in sharing stories, trying something new, and connecting through collaborative play. Throughout the weekend, volunteer storytellers and game masters will run a wide variety of one-shot tabletop RPG adventures, from fantasy and horror to mystery and cinematic storytelling experiences. Whether you’ve played for years or never rolled a dice before, there will be games designed to help you jump in and have fun. Schedule Saturday 18 July Venue open from 9am until late Day Sessions Morning Games: 10am–1pm Afternoon Games: 2pm–5pm Evening Events Blood on the Clocktower Vampire LARP Ball Sunday 19 July 11am–5pm Sessions will include either: A full 4-hour adventure spread across the day, or Two separate beginner-friendly 2-hour one-shots Sunday Session Times Session One: 11:30am–1:30pm Session Two: 2:30pm–4:30pm What to Expect The full programme of one-shot games will be released around the 24th May, once all volunteer Game Masters are confirmed. You will be able to book specific games at that point, we will also be managing a standby list. However, you can already expect a wide mix of tabletop experiences across the weekend, including classics such as Dungeons & Dragons and Call of Cthulhu, alongside a range of indie RPGs and narrative-led games. Sessions will be designed with both newcomers and experienced players in mind, with options suitable for complete beginners as well as more seasoned tabletop gamers looking to try something new. We will also have an open play area, demo area and some local traders. Tickets & Cost All sessions free to attend thanks to support from the Commonwealth Games Festival Fund and Glasgow Life. Donations are welcome and will help support the ongoing community and charity work of Critical Chance Collective, but there is absolutely no expectation to contribute financially. Bookings will be managed through Humanitix, the not-for-profit ticketing platform. There are different types of ticket, please select the sessions you want to attend. We have a hard cap on numbers and will be in contact to confirm your attendance and specific game selection periodically. Important Information This event is 18+ No alcohol or drugs permitted in the venue Outside food is welcome Links events.humanitix.com - Event registration criticalchance.co.uk - Critical Change Collective website

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