CD-ROM
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About CD-ROM
CD-ROM is a puzzle game set across 10 themed CDs. You solve puzzles by deciphering coded texts, analyzing images and finding clues in mini-games. Each clue leads to an 8-digit password that unlocks the next CD; there are 10 CDs and 10 passwords.
Hidden messages
The puzzles involve cryptography and steganography, with messages hidden in various data. You use programs inside the CDs to tackle the challenges.
Other features
- Mini-games
- Pixel art graphics
- Steam achievements
Frequently asked questions
The best price for CD-ROM is $9.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for CD-ROM are: Windows 10, 2 GB RAM, 1,000 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. CD-ROM is a single-player game.
Mostly, yes. Valve rates CD-ROM as Playable on the Steam Deck: it runs, but may need some manual setup.
Yes. CD-ROM is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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