Periodic Mole

Chemistry, learned by playing

Walk into chemistry already knowing your way around.Then class is just filling in the interesting gaps.

Periodic Mole turns chemistry’s foundation into quick games worth playing: the elements, their symbols, the way the table is laid out, how atoms bond. You build the framework by playing, so when class moves fast, you already know your way around.

Play Bond Forge

Free to play. No signup, no download.

Or get full access: $59 for the year. Every game, all 118 elements. 30-day refund.

  • All 118 elements
  • Every core topic
  • Built to make it stick
  • No ads, ever
Savvy

would this have helped u when u were in chem

Yes bro

So much

JuliaTook high school chemistry last year

Why it works

A subject gets easier the moment you know its shape.

Walk into a new subject cold and you are doing two hard jobs at once: memorizing a flood of unfamiliar words while trying to understand what they mean. Working memory is small. It overloads, and the whole thing starts to feel like drowning.

Now picture the foundation already automatic: the elements, the symbols, the way the table is laid out, known without having to stop and think. Psychologists draw a line between effortful, deliberate thinking and the fast, automatic kind. Daniel Kahneman made it famous in Thinking, Fast and Slow. The deliberate mind is precious and easily swamped. The automatic mind handles whatever you have practiced into reflex.

When the basics run on automatic, your deliberate mind is free for the part actually worth thinking about. New ideas arrive with somewhere to land instead of piling up as noise. The class stops being a flood to survive and becomes a set of puzzles to solve.

That is the whole idea behind Periodic Mole. Commit the framework first, the outline of what chemistry is about, and you walk in with a map.

You cannot learn what you have nowhere to put. We give chemistry somewhere to land.

How you build it

You build the framework by playing.

Play, not study.

Five-minute matches against the elements. Play Bond Forge, Pt Paddle, or Molecule Hunter and you pick up the names, symbols, and formulas without ever sitting down to “study.”

Daily, not crammed.

Built on FSRS, the spaced-repetition algorithm medical students rely on to keep pace with medical school. Whatever hasn’t stuck yet comes back at the exact interval that makes it stick.

Mastery, not exposure.

Every game tracks which facts are automatic and which need another pass. A fact counts as mastered when you no longer have to stop and think.
The first twenty elements arranged as a class portrait, each with a personality.
The first twenty. There are ninety-eight more.
  • Bond Forge
  • Pt Paddle
  • Molecule Hunter
  • Catalyst
  • Capture the Nucleus
  • and more in rotation

In their words

What it feels like to play.

Illustration of Bond Forge: bonds inked in two players' colors weaving a molecule, with open bonds left to claim.
Bond Forge: answer right, claim the bond, beat your opponent
I’m learning all the elements without really trying. I’ve mastered 72, have 20 in my learning queue, and only 26 to go after that.
Jon
Bond Forge is fun to play against the bot. Molecule Hunter and Capture the Nucleus are too, but more fun to play against a friend.
Russell

The offer

$59.One year. No subscription, no renewal.

The clock starts the day you sign up, and we go quiet after. No auto-renewal, no nagging emails. Prefer two years? $79 covers both, a second year of runway for an AP retake or first-year college gen chem.

Free, no signup

  • Bond Forge and Pt Paddle
  • Solo, or against a friend
  • The first 12 elements

Full access · $59

  • Every game
  • All 118 elements
  • Spaced-repetition review
  • Your progress saved as you go
Get full access · $59

Try it 30 days. If it doesn’t click, we’ll refund it. No questions.


Rather try before you buy? Play Bond Forge and Pt Paddle free, right now. No signup. See if it’s for you before you spend a dollar, and don’t be surprised if you get pulled in too.