GameSpot may get a commission from retail offers. In the first chapter of Signalis, you'll need to find several keys to open an intricate door that uses a credit card slot-like unlocking mechanism.

GameSpot may get a commission from retail offers. By the time you hit the puzzle with the tarot cards and the moon phases, things have gotten weird in Signalis. Suddenly you’re on Rotfront, and meat ...

Signalis is a survival horror game through and through, which means that not only will you be fighting to stay alive, but you’ll be solving plenty of puzzles, too. During the second portion of the ...

One of the most common types of puzzles in Signalis are key puzzles which essentially boil down to doing a scavenger hunt across an area to find the proper keys for a lock. Luckily, there’s very ...

The final hours of Signalis have the player explore Rotfront, a now-abandoned apartment complex. There are a lot of challenges for players to overcome while there and the puzzles in this section of ...