Research Article

Serious Games Accessibility Design Model for Low-Vision Children

Table 8

Implementation of accessibility elements in the prototype.

Accessibility elementsDescriptions

Screen design (buttons, menus, and navigation)Simple interface design. Examples of the screen design are shown in Figures 3 and 4
(1) The size of the buttons and menus is big
(2) A bright colour is used for the menu or button and contrast the background colours. The colour can be adjusted
(3) The menu and buttons are included with background audio to navigate the game easily

MultimediaGraphic
The graphics are designed as shown in Figure 4
(4) The game environment uses bright colours for graphics
(5) The size of characters and target objects in the game is big
(6) The colour is high contrast and brightness
(7) The colour can be adjusted, as shown in Figure 5
Texts
The texts used are shown in Figure 4
(8) The size of the texts is large
(9) The type of text used is serif
(10) Important text content needs to be highlighted to access important information in the game
Audio
(11) Audio is used for storyline, character, task description, indicator, and dialogue
(12) The target object in the game challenge should be included with a background sound to assist children in locating target objects in the game, as shown in Figure 6
Animations
(13) Animations are implemented to assist low-vision children in playing the game. Figure 7 shows the example of animation used in the game
(14) The animations are hints for the next action

Object speed(15) The object’s movement is slow, adjustable, and in one direction
(16) The object’s speed can be adjusted based on users’ preferences, as shown in Figure 4

Language(17) Children should easily understand the language
(18) The Malay language is used for the game, as shown in Figure 3

Interactivity(19) Drag and drop are used as the mechanism for interaction between children and the game