The images in these games were made with fairly low-resolution graphics, and are therefore suitable for reproduction as mosaics, with tiles representing the pixels.
Less than acclaimed aspects of the game generally included a lack of plot, low-resolution graphics and predictable endings.
A review in Computer Gaming World described the game as exceedingly frustrating, from the task of climbing stairs to identifying objects from their low-resolution graphics.
They did, however, claim poor combat, lackluster graphics, and unintuitive interface as the main criticisms: "There's nothing flattering about the dated, washed-out, low-resolution graphics."
It could only handle integer numbers ranging from -32768 to 32767 and only had built-in support for low-resolution graphics.
The game's low-resolution graphics are very basic.
The VTI also displayed low-resolution graphics (today called text semigraphics).
Due to the slow modem speeds common in 1988, early versions of Earthweek were limited to low-resolution graphics.
Observe Dock Years: Another low-resolution graphics display appears, depicting oil tankers arriving at the docks.
The coarse, low-resolution graphics display mode worked differently, as it could output a *pattern* of dots per pixel to offer more color options.