Logs are storage devices where a person can store audio, graphics and text. Usually they are used by people who want to record certain events or just store notes.
The logs can be activated in a user's RIG, and the message is then projected through the RIG's holo-displayer (given that the user has one). The RIG will store the logs in the device's database where the user can view them at any time. However, the logs can also be transferred to a holo-displayer.
In Dead Space and Dead Space 2, audio, text and some video logs can be collected by Isaac, which play immediately upon acquisition and can be played again from the database screen. Audio RIG calls made by various other characters are also added as audio logs. Upon finishing the game two games, several backstory text logs are added to Isaac's inventory.
In Dead Space 3, bigger, portable holo-displayers replace the small sized storage units as seen in previous games. These devices can record and play audio to its listener. It can be assumed that the reason why these existed in the Tau Volantis colony was because the technology wasn't so advanced prior to the creation of the smaller storage units. However, for unknown reason, they are present in the Lunar colony of Earth's moon (possibly because they were a lot cheaper than the newer devices, given that the Lunar colony was already a slum).
Artifacts also replace the storage units in the third game. These artifacts can store graphics and text and also are different from each other from the outside. Artifacts resembling a Marker to a some kind of medal can be found throughout the game.
- The Dead Space 3 audio recorders appear to be using some sort of an operating system called the "Strata Messaging System". It is possible this is a futuristic equivalent to the modern-day operating system Windows.
This category has the following 5 subcategories, out of 5 total.