Codebreaker
Crack character substitution ciphers. Transmit or receive messages in Morse Code. Decode binary and hexadecimal characters.
71% of 7 Steam reviews are positive$2.99
Games like Null Cipher
Want something that feels mysterious and retro the way Null Cipher does? You might settle into these games easily.
Cypher
Cypher is a first person puzzle game about cryptography.
Mysterious, Minimalist
89% of 906 Steam reviews are positive$4.99Room 40
Room 40 is a puzzle game about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history. Starting with basic methods used in ancient Greece and the advancement of these methods all the way through to complex ciphers used in WWII.
Mysterious, Story-driven
75% of 107 Steam reviews are positiveFreeCipheur
Cipheur is a free cryptogram game, allowing you to test your logic and language skills against 100 quotes by famous people. Do your best to discover intriguing patterns, unfold the coded messages step by step, and enjoy the incomparable satisfaction of deciphering another sentence.
Mysterious, Minimalist
83% of 142 Steam reviews are positivePlayers online now: 2FreeLocktale
Discover a tale about identity and love in this game of ciphers and puzzles... that may force you to think outside the (text)box.
Mysterious, Minimalist, Story-driven
80% of 40 Steam reviews are positivePlayers online now: 4$7.99Prose & Codes
Explore the wonderful world of books through deceptively simple cryptograms. 10% of every purchase benefits Project Gutenberg, an online library of over 60,000 free ebooks.
Mysterious, Retro, Minimalist
98% of 325 Steam reviews are positivePlayers online now: 9$9.99Codebreaker
Crack character substitution ciphers. Transmit or receive messages in Morse Code. Decode binary and hexadecimal characters. Memorize sequences of numbers, letters or images. Identify the missing item in a sequence of characters or symbols. Do you have what it takes to be a Codebreaker?
Mysterious, Minimalist
71% of 7 Steam reviews are positive$2.99Rune Log
Decode a runic cipher, then decide what it truly means. A quiet, occult detective word game: solve each scripture letter by letter, then type your own conclusion to answer a villager's question about a death, a fraud, a haunting, or an old secret.
Mysterious, Retro, Minimalist
100% of 5 Steam reviews are positive$4.99Locust_4457
Locust_4457 is a self-contained compilation of puzzles with elements of cryptography, escape rooms, and some ARG tropes.
Mysterious, Story-driven
100% of 5 Steam reviews are positive$4.99Cyphers Game
It is the end of 1920. The Polish-Bolshevik war has been going on for almost two years. The battle for Korosteń – a key railway junction and technical supply base – is underway. Break Bolshevik cyphers, ensure radio communication, and neutralise the fearsome armoured trains.
Mysterious, Story-driven
80% of 654 Steam reviews are positiveFreeCIPHER ZERO
A minimalist logic game. Can you solve for 𝒙?
Mysterious, Minimalist
89% of 170 Steam reviews are positive$14.99Poems & Codes
Explore the wonderful world of poetry through deceptively simple cryptograms. 10% of every purchase benefits Project Gutenberg, an online library of over 60,000 free ebooks.
Mysterious, Minimalist
95% of 83 Steam reviews are positive$4.99Ink Cipher
Crack cipher crossword puzzles in Ink Cipher!
Minimalist
87% of 23 Steam reviews are positive$0.99
Cheaper than Null Cipher
Epigraph
Epigraph is a short, challenging, language decipherment puzzle game.
85% of 366 Steam reviews are positive$2.99
Alchemia
Alchemia is a cryptic puzzle game which is solved through research outside of the game.
76% of 85 Steam reviews are positive$1.99
The Cryptologist Room
The Cryptologist Room is a puzzle driven game that will test your cryptology skills to the limit! With the most difficult puzzles you can imagine!
33% of 6 Steam reviews are positive$0.99
Cipher Monk
Cipher Monk is a game about a numeric system made by the cistercian monks in the 13th century.
96% of 27 Steam reviews are positive$0.99
Replica
You hack a stranger's cellphone under orders, piecing together a life from its messages while deciding how far you'll go.
85% of 2,977 Steam reviews are positive$2.99
Agent A: A puzzle in disguise
A suave spy adventure with a 1960s twist: infiltrate the hideout of enemy agent Ruby La Rouge and crack your way through her labyrinth of hidden…
95% of 5,965 Steam reviews are positivePlayers online now: 17$1.99
Access Denied
Access Denied is a puzzle game in the world where for storage of personal data are used special device in the form of protected boxes.
76% of 301 Steam reviews are positive$2.99
One Line: Letters and Codes
You have just received a coded love letter! In this minimalist puzzle, you will have to draw a single line to fill the entire board.
93% of 59 Steam reviews are positive$1.99
The Apothecary of Trubiz
A short puzzle game where you decipher a fictional language, mix potions, and treat patients.
93% of 561 Steam reviews are positive$3.19
Signal
Route messages at a remote station's CRT console, choose your responses, and infer the protocol from clues hidden in the signals.
0% of 1 Steam reviews are positive$0.99
Hidden gems like Null Cipher
The Message from Deep Space
A slow-burn puzzle game about decoding radio signals from a meteorite, one transmission at a time.
96% of 2,079 Steam reviews are positivePlayers online now: 204$9.99
CD-ROM
10 CDs, 10 passwords. Find hidden messages, text, numbers to unlock next CD to continue your steganography puzzle journey.
93% of 134 Steam reviews are positive$7.49
Terminal Lucidity
In a concrete slab beneath the earth, a lone technician is sent for routine maintenance on a network of supercomputers.
96% of 107 Steam reviews are positiveFree
Puzzle Spy International
Pursue diamond thieves and a trail of cryptic puzzles in this short ‘60s spy adventure.
92% of 155 Steam reviews are positive$12.50
I Expect You To Die 3: Cog in the Machine
Outwit your most cunning adversary to date in the latest installment of this popular, spy-themed VR puzzle series.
91% of 615 Steam reviews are positivePlayers online now: 6$24.99
Cipheur
Cipheur is a free cryptogram game, allowing you to test your logic and language skills against 100 quotes by famous people.
83% of 142 Steam reviews are positivePlayers online now: 2Free
Access Denied: Escape
Access Denied: Escape is a puzzle game where you have to hack data vaults and interact with various devices to escape.
91% of 219 Steam reviews are positive$4.99
Epigraph
Epigraph is a short, challenging, language decipherment puzzle game.
85% of 366 Steam reviews are positive$2.99
Prose & Codes
Explore the wonderful world of books through deceptively simple cryptograms. 10% of every purchase benefits Project Gutenberg, an online library of…
98% of 325 Steam reviews are positivePlayers online now: 9$9.99
Cyphers Game
It is the end of 1920. The Polish-Bolshevik war has been going on for almost two years.
80% of 654 Steam reviews are positiveFree
Cypher
Cypher is a first person puzzle game about cryptography.
89% of 906 Steam reviews are positive$4.99
Newest games like Null Cipher
Message From Aliens
In 2058, symbols arrive from space, and the whole game is written in them.
94% of 408 Steam reviews are positivePlayers online now: 584$9.99
Radiotext
Rise against the corporate overlords and become a cyber activist hacker. Join the uprising in a cyberpunk world using radio waves.
96% of 89 Steam reviews are positive$11.99
Locktale
Discover a tale about identity and love in this game of ciphers and puzzles... that may force you to think outside the (text)box.
80% of 40 Steam reviews are positivePlayers online now: 4$7.99
Vice Signalling
Vice Signalling is a short narrative game where you infiltrate a secret society of the rich and powerful.
90% of 49 Steam reviews are positiveFree
Rune Log
Decode a runic cipher, then decide what it truly means. A quiet, occult detective word game: solve each scripture letter by letter, then type your…
100% of 5 Steam reviews are positive$4.99
CipherMind
8 test subjects are trapped in a sealed building, controlled by a mysterious system.
78% of 18 Steam reviews are positivePlayers online now: 1$7.99
Void Future: Hacking Protocol
In Void Future: Hacking Protocol, you play as a hacker in a cyberpunk world ruled by corporations.
88% of 17 Steam reviews are positive$14.99
What Awaits, Aleksey?
A desk investigation game set in a fictional 1970 communist state. Every morning, a new evidence bag arrives.
82% of 65 Steam reviews are positive$15.99
The Message from Deep Space
A slow-burn puzzle game about decoding radio signals from a meteorite, one transmission at a time.
96% of 2,079 Steam reviews are positivePlayers online now: 204$9.99
What's the Password?
"What's the Password?" is a minimalistic puzzle game where you decode 4-digit passwords. Featuring over 100 puzzles!
67% of 95 Steam reviews are positive$7.99
CD-ROM
10 CDs, 10 passwords. Find hidden messages, text, numbers to unlock next CD to continue your steganography puzzle journey.
93% of 134 Steam reviews are positive$7.49
Intelligence
A retro-sci-fi themed mystery investigation puzzle game. Search for clues across the solar system, gather intelligence using your cutting-edge…
98% of 84 Steam reviews are positiveFree