Mindroll

Build connected knowledge you'll remember.

Five calm cards a day, guided paths, and timely review grounded in Wikipedia.

Wikipedia is the sourceGuided pathsTimely review

Understand the World

Uncertainty, health, money, Earth, practical life

Better Decisions

Base rates, expected value, bias checks

Health Literacy

Prevention, risk, first aid, everyday health

Personal Finance

Budgeting, debt, compounding, investing terms

Preview today's roll

History / Moderneasy

Nintendo Switch

The Nintendo Switch is a video game console developed by Nintendo, notable for its hybrid design that allows it to function as both a home console and a portable device. Released in March 2017, it succeeded the Wii U and competes with both eighth and ninth-generation consoles.

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Geography / Europeeasy

Portugal

Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. It is a unitary republic comprising mainland Portugal and two autonomous regions, with Lisbon as its capital and largest city. The country features the westernmost point in continental Europe.

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Technology / Interneteasy

Search engine

A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query. Users enter queries in a web browser or mobile app, receiving results as a list of hyperlinks with textual summaries and images. They can also filter results by type, such as images or videos.

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Technology / Interneteasy

Social media

Social media are new media technologies that enable the creation, sharing, and aggregation of content among virtual communities. They facilitate user-generated content and connect individuals through service-specific profiles, enhancing online social networks.

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Technology / Interneteasy

World Wide Web

The World Wide Web is a public interconnected information system that enables content sharing over the Internet. It allows access to documents and other resources through the Hypertext Transfer Protocol (HTTP).

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Every factual card is grounded in a source you can check.

How it works

Five cards a day

Open Today

Start with a deliberate daily session: new ideas, review, and one connection.

Follow a path

Move through practical topics with Start, Continue, and Review steps.

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Hide the answer, try one question, then mark Not yet, Mostly, or Got it.

Start free

One daily roll. Clear paths when you want more.

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Source ruleWikipedia-backed

Daily mode5 calm cards

Guided modeCompetence paths

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