// Explore JA

日本語 Japanese

Browse published knowledge points by level — 9824 in total.

Levels
5
Knowledge points
9824
Types
4

// How it works

How it works Four steps

From your first answer, the loop revolves around you: assess → attribute → select → review.

STEP 01

Adaptive Assessment

Ten-odd minutes to pin down your true level — no time wasted on what you already know

Under the hood: Question 1 starts at mid difficulty; correct answers raise it, wrong ones lower it; about 20 questions produce a four-dimension initial assessment

STEP 02

Every mistake gets attributed

Tells 'didn't remember' from 'got confused' from 'too careless' — treat the cause instead of drilling endless questions

Under the hood: Hits on a confusion pair are labeled CONFUSION, too-fast answers are labeled CARELESS; the rest is split by knowledge-point weights

STEP 03

The engine picks your next question

Always practicing the gaps that matter most — never random drilling

Under the hood: Weakness + forgetting curve + key knowledge points + skill balance, weighted four ways, with repetition avoided across questions

STEP 04

Review before you forget

Review intervals grow as memory strengthens; the Dashboard explains why each item is due

Under the hood: Reviews scheduled along the memory decay curve: answer smoothly and intervals stretch; answer wrong and you're back in the furnace

// Path

Learning path (work back from your goal)

First recognize, then discriminate, then apply in context — and finally hold it with spaced review.

  1. STEP 011

    Build recognition

    See the word → recall its reading and meaning. Fresh words stop being strangers.

  2. STEP 022

    Discriminate

    Meaning nuances, collocations and easily-confused words — no more “they look alike”.

  3. STEP 033

    Apply in context

    Judge usage in real sentences and passages, and place words correctly.

  4. STEP 044

    Retain

    Automatic due review: correct answers stretch the interval, mistakes come right back.

// Catalog

Content by level

Vocabulary · Grammar · Kanji · Reading

// Preview

See what you'll practice

High-signal samples from the catalog — open one to preview its points and examples.

Core learning features free forever · No credit card required

Start the 20-question adaptive assessment