Settings

Mode
Pieces
Difficulty
Set length
How questions are picked

Weak stickers come up more often. Drag to change by how much.

3x

Stickers you get wrong

1.5x

Stickers you are slow at naming

Most likely nextchance per question
  1. A2.1%
  2. B2.1%
  3. C2.1%
  4. D2.1%
  5. E2.1%
  6. F2.1%
  7. G2.1%
  8. H2.1%

The other 40 stickers: 2.1% to 2.1% each. With every slider at 0, each listed sticker is 2.1%.

Sound

About Speffz lettering

Every sticker gets a letter, A to X, read clockwise face by face. Edges and corners use the same 24 letters as two separate alphabets.

Lettering guide

Your Progression

Statistics

All your guesses, rolling average over the last 100

  • Edges
  • Corners

Sticker → letter

Guess time

Answer some questions to see your trend.

Success rate

Answer some questions to see your trend.

Guess number

Letter → sticker

Guess time

Answer some questions to see your trend.

Success rate

Answer some questions to see your trend.

Guess number

Keep practising