Cipher methods

Every method used in CipherChronicle is documented here: origin, principle, worked example, known weaknesses and links to the grids that use it.

Identify by symbol

Got glyphs but don't know which cipher? Compare them visually.

Identify by symbol

Family

Difficulty

Available in the workshop

164 method(s) shown

seven-segments
Beginner

7-Segment Display

The alphabet on your clock, your calculator, your microwave.

Symbols Read the page
a1z26
Beginner

A1Z26 cipher (alphabet rank)

A = 1, B = 2, …, Z = 26. The most intuitive letter-to-number cipher.

Code Read the page
abyss
Beginner

Abyss (Genshin Impact)

The Abyss Order's script in Genshin Impact, carved on Khaenri'ah's ruins.

Symbols Read the page
acere
Beginner

Acéré (sharpened blades)

An alphabet of sharp shapes, sibling to Daggers.

Symbols Read the page
adfgvx
Advanced

ADFGVX cipher

Six-letter extension of ADFGX, covering digits 0-9.

Grid Read the page
adfgx
Advanced

ADFGX cipher

First used on the German Western Front, 5 March 1918. Broken by Painvin.

Grid Read the page
affine
Intermediate

Affine cipher

Each letter runs through ax + b mod 26. The algebraic cousin of Caesar.

Substitution Read the page
al-bhed
Beginner

Al Bhed (Final Fantasy X)

The Al Bhed language in *Final Fantasy X*.

Symbols Read the page
alberti
Intermediate

Alberti cipher

The first mechanical cipher. Rotating two-ring disk (1467).

Polyalphabetic Read the page
futurama
Beginner

Alien Alphabet (Futurama)

Futurama's hidden alien alphabet, scattered across the signs of New New York.

Symbols Read the page
alpha-angle
Beginner

Alpha Angle (cattle branding)

The hot-iron numeration of American ranches.

Symbols Read the page
magi
Beginner

Alphabet of the Magi

Paracelsus' alphabet: a Hebrew-angelic variant from Agrippa's family, with different phonetic folds.

Symbols Read the page
alternian
Beginner

Alternian (Homestuck)

The script of the Trolls of planet Alternia in *Homestuck*.

Symbols Read the page
asl
Beginner

American Sign Language (ASL)

The manual alphabet of American Sign Language.

Symbols Read the page
amphibia
Beginner

Amphibia (Disney)

The alphabet of the frogs, toads and newts of the Amphibia kingdom.

Symbols Read the page
amsco
Advanced

AMSCO cipher

Alternating 1-2 transposition. Harder to reconstruct.

Transposition Read the page
stargate
Beginner

Ancients (Stargate)

The Lantean script on Stargates and the City of Atlantis.

Symbols Read the page
atbash
Beginner

Atbash

A full alphabet flip. A ↔ Z, B ↔ Y.

Substitution Read the page
atlantean
Beginner

Atlantean (Disney's Atlantis)

Marc Okrand's Atlantean alphabet: 26 letters + 10 digits in 'dots and bars' notation.

Symbols Read the page
aurebesh
Beginner

Aurebesh (Star Wars)

Star Wars's official alphabet. 1:1 substitution on the Latin alphabet.

Pop culture Read the page
autokey
Intermediate

Autokey cipher

Vigenère without a period: the key self-extends using the plaintext.

Polyalphabetic Read the page
ave-maria
Intermediate

Ave Maria cipher (Trithemius)

One Latin word per letter. The ciphertext reads like a prayer.

Code Read the page
babyloniens
Intermediate

Babylonian numerals

Base 60, two signs (wedge + hook). The first positional numeral system.

Numerals Read the page
bacon
Beginner

Bacon cipher

Every letter → sequence of 5 A/B symbols. A precursor to binary.

Code Read the page
ballet
Beginner

Ballet Alphabet

The dancer-silhouette alphabet: each letter is a ballet pose.

Symbols Read the page
bazeries
Advanced

Bazeries cipher

Reversed plaintext + substitution via a spelled-number keyed square.

Polyalphabetic Read the page
beaufort
Intermediate

Beaufort cipher

An involutive Vigenère: encryption = decryption.

Polyalphabetic Read the page
beaufort-variant
Intermediate

Beaufort variant (German)

Subtractive Beaufort. Not involutive — easy to mistake for the original.

Polyalphabetic Read the page
bellaso
Intermediate

Bellaso cipher

Direct ancestor of Vigenère. Polyalphabetic text-key (1553).

Polyalphabetic Read the page
betamaze
Beginner

Betamaze (maze alphabet)

An alphabet whose letters connect into mini-mazes.

Symbols Read the page
bibi
Beginner

Bibi-binary (Boby Lapointe, 1968)

Boby Lapointe's hexadecimal system as graphical syllables.

Symbols Read the page
bifid
Advanced

Bifid cipher (Delastelle)

Polybius + fractionation. Rows and columns split then recombined.

Grid Read the page
bill
Beginner

Bill Cipher Alphabet (Gravity Falls)

The trickster-demon's alphabet from Gravity Falls: 26 glyphs, one per letter, purely visual rendering.

Symbols Read the page
birds
Beginner

Birds on a Wire

The birds-on-a-wire alphabet: an innocent frieze hiding a message.

Symbols Read the page
book-cipher
Advanced

Book cipher

Coordinates in a shared book: page, line, word. Arnold and Beale.

Homophonic Read the page
braille
Beginner

Braille

6 dots in a 2×3 grid. Tactile alphabet, also readable as a cipher.

Signals Read the page
caesar
Beginner

Caesar cipher

A fixed alphabet shift. The classic — easy to grasp, easy to break.

Substitution Read the page
caesar-square
Beginner

Caesar square

Text written in rows in a square, read back in columns. The most minimal transposition.

Transposition Read the page
celestial
Beginner

Celestial alphabet

Agrippa's angelic alphabet: Hebrew-derived glyphs with circle-tipped strokes.

Symbols Read the page
chaocipher
Advanced

Chaocipher

Two alphabet discs permuted after every letter. Stayed secret for 90 years.

Polyalphabetic Read the page
chappe
Intermediate

Chappe optical telegraph

Articulated-arm tower, 196 positions. Telegraph before electricity.

Signals Read the page
chinese-code
Beginner

Chinese Code (pseudo-sinograms)

A decorative alphabet that imitates the look of sinograms.

Symbols Read the page
circular-glyphs
Beginner

Circular Glyphs

An alphabet where each letter fits inside an engraved circle.

Symbols Read the page
cisterciens
Beginner

Cistercian numerals

One glyph for 1 to 9999, built around a staff. Alphabet encoded by rank.

Numerals Read the page
columnar
Intermediate

Columnar transposition

Text in rows, read in columns ordered by a keyword.

Transposition Read the page
copiale
Beginner

Copiale Cipher (Germany, 1730-1760)

The secret 18th-c. oculist manuscript, decrypted in 2011 after 250 years.

Symbols Read the page
covenant
Beginner

Covenant (Halo)

The tangram-triangle script of the Halo antagonists.

Symbols Read the page
dni-numerals
Beginner

D'ni Numerals (Myst)

The D'ni civilisation's base-25 numeration in *Myst*.

Symbols Read the page
dada-urka
Beginner

Dada Urka (Russian beggars' marks)

The discreet marks of 19th-c. Russian beggars, repurposed for cryptography.

Symbols Read the page
daedric
Beginner

Daedric Alphabet (Skyrim)

The alphabet on Skyrim's daedric weapons and armour: 26 runic glyphs, direct Latin mapping.

Symbols Read the page
daggers
Beginner

Daggers alphabet

Dagger-shaped alphabet: one glyph per letter, no phonetic folds.

Symbols Read the page
dancing-men
Intermediate

Dancing Men cipher

Stick figures = mono substitution. Sherlock Holmes, 1903.

Pop culture Read the page
dinotopia
Beginner

Dinotopia (J. Gurney, 1992)

The script of the utopian island where dinosaurs and humans coexist.

Symbols Read the page
dorabella
Advanced

Dorabella cipher (Elgar)

87 arcs of a circle from Elgar to Dora. Unsolved since 1897.

Pop culture Read the page
dotsies
Beginner

Dotsies (Craig Muth, 2012)

Binary-dot column writing, designed for fast reading.

Symbols Read the page
double-transposition
Advanced

Double transposition

Two columnar transpositions in a row. Held unbreakable for short messages.

Transposition Read the page
dovahzul
Beginner

Dovahzul (Skyrim Dragon Language)

Skyrim's dragon language: 26 claw-marked runes, the foundation of the Shouts (Fus Ro Dah).

Symbols Read the page
hieroglyphs
Intermediate

Egyptian hieroglyphs

Egyptian pictograms + phonograms. Champollion as the reading key.

Symbols Read the page
elder-futhark
Beginner

Elder Futhark

The runic alphabet of the pre-Viking age — 24 Germanic runes.

Symbols Read the page
elian
Beginner

Elian Script (conceptual art)

C.C. Elian's geometric alphabet: straight strokes and squares on a grid.

Symbols Read the page
enigma
Advanced

Enigma machine

The famous WWII German machine. Breaking Enigma founded modern computing.

Polyalphabetic Read the page
enochian
Beginner

Enochian alphabet

The angelic alphabet revealed to John Dee — 21 letters with their names (Un, Pa, Graph…).

Symbols Read the page
fez
Beginner

Fez (Polytron, 2012)

Fez's puzzle-alphabet: 24 glyphs, two folds (Q→K, V→U), decoded via ARG.

Symbols Read the page
semaphore
Beginner

Flag semaphore

Two arms × 8 directions = 1 letter. Line-of-sight maritime signalling.

Signals Read the page
four-square
Advanced

Four-square cipher

Digram cipher on four 5×5 grids. Double-keyed.

Polygraphic Read the page
lsf
Beginner

French Sign Language (LSF)

The manual alphabet of the French-speaking deaf community.

Symbols Read the page
friderici-windows
Beginner

Friderici (window-shutter alphabet)

A 17th-century alphabet where letters are open shutters.

Symbols Read the page
futhark
Beginner

Futhark runes

Germanic runic alphabet. Scandinavian stones, amulets, inscriptions.

Symbols Read the page
rot
Beginner

Generic ROT

The mother family of shift ciphers: ROT-N for any integer N. ROT-13 and ROT-47 are the iconic ones.

Code Read the page
gerudo
Beginner

Gerudo (Zelda BoTW)

The script of Hyrule's desert warriors, completes our BoTW trio.

Symbols Read the page
goblin-tolkien
Beginner

Goblin (Tolkien)

The script of Middle-earth's goblins and orcs.

Symbols Read the page
goron
Beginner

Goron (Zelda)

The alphabet of Zelda's rocky people.

Symbols Read the page
grandpre
Intermediate

Grandpré cipher

10×10 word grid. Per-letter coordinates — naturally homophonic.

Homophonic Read the page
falls-alchemy
Beginner

Gravity Falls — Alchemy Cipher

The alchemical alphabet seen in the margins of Journal 3 in Gravity Falls.

Symbols Read the page
falls-author
Beginner

Gravity Falls — Author's alphabet

Ford Pines's alphabet (the Author of Journal 3) in Gravity Falls.

Symbols Read the page
falls-bros
Beginner

Gravity Falls — Bros' Code

The Pines twins' secret alphabet in Gravity Falls.

Symbols Read the page
falls-color
Beginner

Gravity Falls — Color Code

An alphabet where each letter is a colour.

Symbols Read the page
falls-journal
Beginner

Gravity Falls — Journal 3

The alphabet of Ford Pines's investigation notebook in Gravity Falls.

Symbols Read the page
falls-rune
Beginner

Gravity Falls — Rune Cipher

The runes seen in Gravity Falls next to Journal 3.

Symbols Read the page
falls-theraprism
Beginner

Gravity Falls — Theraprism

The alphabet of the prison where Bill Cipher is locked up.

Symbols Read the page
gronsfeld
Intermediate

Gronsfeld cipher

Vigenère with a numeric key (0-9). Easier to apply by hand.

Polyalphabetic Read the page
hexahue
Beginner

Hexahue

2×3 mosaic of 6 colours per letter. Mono substitution by colour code.

Symbols Read the page
hill
Advanced

Hill cipher

Block cipher by matrix multiplication (1929). Cryptography meets linear algebra.

Polygraphic Read the page
homophonic
Advanced

Homophonic cipher

Multiple symbols per letter. Aims to flatten frequencies.

Homophonic Read the page
hylian
Beginner

Hylian (Breath of the Wild)

Hyrule's BoTW-era alphabet: 26 runic glyphs, one per Latin letter, no folds.

Symbols Read the page
hymnos
Beginner

Hymnos (Ar tonelico)

The sung magical language of *Ar tonelico*.

Symbols Read the page
illageralt
Beginner

Illageralt (Minecraft Dungeons)

The runic script of Minecraft Dungeons' Pillagers, Vindicators and Evokers.

Symbols Read the page
iokharic
Beginner

Iokharic / Draconic (D&D)

The script of D&D dragons, readable on draconic armour and grimoires.

Symbols Read the page
zapf-dingbats
Beginner

ITC Zapf Dingbats (Hermann Zapf, 1978)

The canonical dingbat font of the typesetting industry.

Symbols Read the page
jefferson
Advanced

Jefferson cylinder (M-94)

36 rotating discs on an axle. Invented by Jefferson, picked up by the US Army in 1922.

Polyalphabetic Read the page
kaktovik
Beginner

Kaktovik Numerals (Iñupiat)

The Inuit base-20 numeration created by Alaskan high schoolers.

Symbols Read the page
kirby
Beginner

Kirby (Forgotten Land)

The alphabet of the first full-3D Kirby (2022).

Symbols Read the page
klingon
Beginner

Klingon pIqaD (Star Trek)

Star Trek's official Klingon alphabet. 1:1 substitution, warrior aesthetic.

Pop culture Read the page
kryptonian
Beginner

Kryptonian (Superman)

Krypton's alphabet with its iconic S: 26 letters + 10 digits, one-to-one substitution.

Symbols Read the page
kryptos
Advanced

Kryptos (CIA sculpture)

Sculpture-puzzle installed at the CIA. K4 has held since 1990.

Pop culture Read the page
lingua
Beginner

Lingua Ignota (Hildegard of Bingen, 12th c.)

The alphabet of the 12th-c. mystic saint, codified in her great codex.

Symbols Read the page
lunar
Beginner

Lunar (Leandro Katz, 1978)

Leandro Katz's moon-phase alphabet: Argentine conceptual art (1978).

Symbols Read the page
malachim
Beginner

Malachim alphabet

Agrippa's angular angelic alphabet — the "messengers' script" derived from Hebrew.

Symbols Read the page
maritime-signals
Beginner

Maritime Signals (ICS)

The official maritime signaller's code — 26 flags + 10 pennants.

Symbols Read the page
mary-stuart
Advanced

Mary Queen of Scots cipher

Homophonic + nomenclator. The cipher that cost Mary Stuart her head.

Homophonic Read the page
matoran
Beginner

Matoran (LEGO Bionicle)

The circular Matoran alphabet, secret code of early-2000s Bionicle fans.

Symbols Read the page
mayas
Beginner

Mayan numerals

Base 20 with dot, bar and shell. One of the earliest positional zeros.

Numerals Read the page
mirror-digits
Beginner

Mirror Digits

Digits and letters seen in a mirror.

Symbols Read the page
substitution
Intermediate

Monoalphabetic substitution

A free permutation of the alphabet. 26! options — but frequency gives it up.

Substitution Read the page
moon
Beginner

Moon alphabet (W. Moon, 1845)

The braille alternative for adults who became blind later in life.

Symbols Read the page
morbit
Intermediate

Morbit cipher

Morse grouped in symbol pairs, each pair becomes a digit 1-9.

Polygraphic Read the page
morse
Beginner

Morse code

Dots and dashes. Born of the telegraph, still alive on radio.

Code Read the page
mourier
Beginner

Mourier alphabet

A 19th-century stylised alphabet of geometric shapes.

Symbols Read the page
multiplication-vigenere
Advanced

Multiplicative Vigenère

Vigenère where the key multiplies instead of adding. Bijective only for odd keys ≠ 13.

Polyalphabetic Read the page
music-notes
Beginner

Music notes cipher

Each letter → note + octave. Ciphertext that reads as a score.

Code Read the page
nato
Beginner

NATO phonetic alphabet

Alpha, Bravo, Charlie, Delta, Echo, Foxtrot… One word per letter, for unambiguous spelling.

Code Read the page
navajo
Intermediate

Navajo code talkers

Unwritten Navajo language. The only major WWII code never broken by the enemy.

Code Read the page
nihilist
Intermediate

Nihilist cipher

Polybius + additive numeric key. Born among Russian revolutionaries.

Grid Read the page
ninjargon
Beginner

Ninjargon (ninja alphabet)

The puzzle-book ninja alphabet: stars, blades and crossed lines.

Symbols Read the page
nyctography
Beginner

Nyctography (Lewis Carroll)

Lewis Carroll's nightwriting: dot-and-stroke alphabet on a 2×2 grid, derived from the Latin letters.

Symbols Read the page
ogham
Beginner

Ogham (Celtic alphabet)

Notches along a stone's edge. Alphabet of the Irish druids.

Symbols Read the page
outer-rim
Beginner

Outer Rim Basic (Star Wars)

The alphabet of Star Wars's galactic fringe.

Symbols Read the page
phillips
Advanced

Phillips cipher

Eight cyclic 5×5 grids. Each 5-letter block uses the next grid.

Polyalphabetic Read the page
pigpen
Beginner

Pigpen cipher (Freemason)

Geometric glyphs from a 3×3 grid + X. Classic masonic code.

Symbols Read the page
playfair
Advanced

Playfair cipher

Digram cipher on a 5×5 grid. British Army (1854).

Polygraphic Read the page
pollux
Intermediate

Pollux cipher

Morse + homophony: ., – and / are replaced by multiple digits each.

Polygraphic Read the page
polybius
Beginner

Polybius square

Every letter becomes a pair of coordinates in a 5×5 grid.

Grid Read the page
porta
Advanced

Porta cipher

Thirteen involutive tables. Each key pair picks a distinct mirror.

Polyalphabetic Read the page
ragbaby
Advanced

Ragbaby cipher

Each letter is shifted by its position WITHIN ITS WORD, not in the message.

Polyalphabetic Read the page
rail-fence
Beginner

Rail Fence (zig-zag)

Zigzag transposition across rails. Simple, visual, pedagogical.

Transposition Read the page
rata-alada
Beginner

Rata Alada (The Batman 2022)

The Riddler's alphabet in the film *The Batman* (2022).

Symbols Read the page
rosicrucian
Beginner

Rosicrucian cipher

Glyphs from a four-arm cross grid. 17th-century esoterica.

Symbols Read the page
rot-13
Beginner

ROT-13

A special case of Caesar (shift 13, involutive).

Substitution Read the page
rot-47
Beginner

ROT-47

ROT-13 extended to the 94 printable ASCII characters. Fixed shift of 47.

Substitution Read the page
rotating-grid
Intermediate

Rotating grille

A perforated grille rotated 4 times. Visual and tactile.

Transposition Read the page
scytale
Beginner

Scytale (Spartan rod)

The Spartan rod. The oldest known military cipher device.

Transposition Read the page
semaphore-clock
Beginner

Semaphore Clock

Naval semaphore re-dressed as a clock face.

Symbols Read the page
semaphore-trousers
Beginner

Semaphore Trousers

Semaphore retransposed onto the legs of a pair of trousers.

Symbols Read the page
sheikah
Beginner

Sheikah (Breath of the Wild)

The script on BoTW shrines and guardians: squares and dots, pairs with Hylian.

Symbols Read the page
simlish
Beginner

Simlish (The Sims)

The script of the *Sims* franchise — since 2000.

Symbols Read the page
slidefair
Advanced

Slidefair cipher

Vigenère that ciphers digrams — each pair is shifted by a key letter.

Polyalphabetic Read the page
solitaire
Advanced

Solitaire (Pontifex)

Stream cipher with a 54-card deck. Portable, no computer required.

Polyalphabetic Read the page
spiral
Intermediate

Spiral cipher

Cleartext drawn as a spiral inside a grid, then read back row by row.

Transposition Read the page
standard-galactic
Beginner

Standard Galactic Alphabet

The alphabet on Minecraft's enchanting table. 26 angular glyphs + the period.

Symbols Read the page
stray
Beginner

Stray (Walled City 99)

The script of Stray's post-apocalyptic world, readable on the Companions' signs.

Symbols Read the page
symbol-font
Beginner

Symbol (Greek font)

The font that turns A into α and B into β.

Symbols Read the page
tap-code
Beginner

Tap code

Polybius transmitted by taps. Used by POWs in Vietnam.

Grid Read the page
templar
Beginner

Templar cipher

Geometric glyphs from the Templar cross. Seals bills of exchange.

Symbols Read the page
tenctonese
Beginner

Tenctonese (Alien Nation)

The alien language from *Alien Nation*.

Symbols Read the page
teyvat
Beginner

Teyvat (Genshin Impact)

Teyvat's sacred script on the Statues of the Seven and Genshin Impact's temples.

Symbols Read the page
theban
Beginner

Theban alphabet

Curved esoteric alphabet, medieval grimoires and Wicca.

Symbols Read the page
three-square
Intermediate

Three-square cipher

Three 5×5 grids, two of them keyed. Digram encryption by rectangle rule.

Polygraphic Read the page
tic-tac-toe
Beginner

Tic-Tac-Toe cipher

Pig Pen's playful cousin — 3×3 grid + crosses/circles. Each letter is a graphical fragment.

Symbols Read the page
tifinagh
Beginner

Tifinagh ⵜⵉⴼⵉⵏⴰⵖ

Ancient Berber / Amazigh alphabet still alive. Official in Morocco since 2003.

Symbols Read the page
trifid
Advanced

Trifid cipher (Delastelle)

3D bifid. 3×3×3 cube, three coordinates per letter.

Grid Read the page
trithemius
Intermediate

Trithemius cipher

The first polyalphabetic cipher. Progressive shift, no key.

Polyalphabetic Read the page
two-square
Intermediate

Two-square cipher

Digrams on two grids. Simplified Four Square.

Polygraphic Read the page
unown
Beginner

Unown Alphabet (Pokémon)

The Pokémon alphabet: 26 creature-letters with a central eye and arcs, popularised by Gold/Silver/Crystal.

Symbols Read the page
vernam
Advanced

Vernam cipher (One-Time Pad)

The only provably unbreakable cipher. Random key, used once.

Polyalphabetic Read the page
vic
Advanced

VIC cipher

Straddling checkerboard + double transposition + numeric key. KGB in the field.

Polygraphic Read the page
vigenere
Intermediate

Vigenère cipher

A Caesar whose key changes at every letter. Long thought unbreakable.

Polyalphabetic Read the page
vulcan
Beginner

Vulcan (Star Trek)

Star Trek's Vulcan script: 26 geometric glyphs, one per Latin letter.

Symbols Read the page
wakanda
Beginner

Wakandan Alphabet (Black Panther)

The script of the fictional kingdom of Wakanda, inspired by African writing systems: 26 letters + 10 digits in 1↔1 substitution.

Symbols Read the page
webdings
Beginner

Webdings (Microsoft, 1997)

Microsoft's web pictograms by the Comic Sans designer.

Symbols Read the page
wingdings
Beginner

Wingdings (Microsoft, 1990)

The iconic Windows pictogram font since 1990.

Symbols Read the page
wingdings-2
Beginner

Wingdings 2 (Microsoft, 1995)

Second volume in the Wingdings family (Microsoft, 1995).

Symbols Read the page
wingdings-3
Beginner

Wingdings 3 (Microsoft, 1995)

The Microsoft font entirely dedicated to arrows.

Symbols Read the page
xor
Intermediate

XOR cipher

Exclusive-OR between plaintext and key. Foundation of modern symmetric crypto.

Modern Read the page
zodiac
Advanced

Zodiac Killer ciphers

Mixed-symbol homophonic from the Zodiac Killer. Z408 in a week, Z340 in 51 years.

Pop culture Read the page

Cipher methods

7-Segment Display

A1Z26 cipher (alphabet rank)

Abyss (Genshin Impact)

Acéré (sharpened blades)

ADFGVX cipher

ADFGX cipher

Affine cipher

Al Bhed (Final Fantasy X)

Alberti cipher

Alien Alphabet (Futurama)

Alpha Angle (cattle branding)

Alphabet of the Magi

Alternian (Homestuck)

American Sign Language (ASL)

Amphibia (Disney)

AMSCO cipher

Ancients (Stargate)

Atbash

Atlantean (Disney's Atlantis)

Aurebesh (Star Wars)

Autokey cipher

Ave Maria cipher (Trithemius)

Babylonian numerals

Bacon cipher

Ballet Alphabet

Bazeries cipher

Beaufort cipher

Beaufort variant (German)

Bellaso cipher

Betamaze (maze alphabet)

Bibi-binary (Boby Lapointe, 1968)

Bifid cipher (Delastelle)

Bill Cipher Alphabet (Gravity Falls)

Birds on a Wire

Book cipher

Braille

Caesar cipher

Caesar square

Celestial alphabet

Chaocipher

Chappe optical telegraph

Chinese Code (pseudo-sinograms)

Circular Glyphs

Cistercian numerals

Columnar transposition

Copiale Cipher (Germany, 1730-1760)

Covenant (Halo)

D'ni Numerals (Myst)

Dada Urka (Russian beggars' marks)

Daedric Alphabet (Skyrim)

Daggers alphabet

Dancing Men cipher

Dinotopia (J. Gurney, 1992)

Dorabella cipher (Elgar)

Dotsies (Craig Muth, 2012)

Double transposition

Dovahzul (Skyrim Dragon Language)

Egyptian hieroglyphs

Elder Futhark

Elian Script (conceptual art)

Enigma machine

Enochian alphabet

Fez (Polytron, 2012)

Flag semaphore

Four-square cipher

French Sign Language (LSF)

Friderici (window-shutter alphabet)

Futhark runes

Generic ROT

Gerudo (Zelda BoTW)

Goblin (Tolkien)

Goron (Zelda)

Grandpré cipher

Gravity Falls — Alchemy Cipher

Gravity Falls — Author's alphabet

Gravity Falls — Bros' Code

Gravity Falls — Color Code

Gravity Falls — Journal 3

Gravity Falls — Rune Cipher