The Spinly blog
Short posts about decision-making, randomness, and getting more done by deciding less.
A beginner's introduction to Dungeons & Dragons
New to D&D? Learn what the Dungeon Master does, how characters work, why d20 rolls matter, and how to roll dice online without buying a set first.
A beginner's guide to football and the World Cup 2026
A clear guide to football rules, offside, cards, extra time, World Cup groups, knockout rounds, and running a simple sweepstake with Spinly.
Which Spinly tool should you use?
Use the wheel for visible picks, the dice roller for D&D, the number generator for ranges, and the sweepstake generator for football team draws.
Why a coin flip is sometimes the best decision-making tool
When decision quality is low and decision cost is high, you should just spin. Here's the rough mental model for when randomness beats deliberation.
Equal odds vs. weighted random: which mode should you use?
The difference between "fair" and "feels fair" matters more than people think. A quick guide to picking the right mode for the situation.
Twelve ways teachers use a spinning wheel in the classroom
Random callouts are just the start. From discussion prompts to seating charts to grouping for projects, here's how wheels show up in real classrooms.