We are creating image CAPTCHA, this is a type of CAPTCHA where the user has to drag and drop an item onto a scene in order to solve the puzzle. For example, the scene may have a cow with a missing tail, the user then drags and drops the tail item onto the right place on the cow in order to solve the CAPTCHA. These CAPTCHA are displayed on the front end websites of our clients and are essentially made up of a number of PNG images that sit on a number of layers: background images (these are the background that the user always sees, for example the cow's field), base images (these sit on top of the background and are placed in a random position on the background image (for example the cow may move randomly on the horizontal axis on each page refresh), and the draggable images (this would be, for example the cows tail).
We need to make a number of CAPTCHA, each CAPTCHA should have a number of items (3x background, 3-5x base image, 3-5x draggable image). These must all be made of commercial use materials. Custom illustration is not necessary, as long as the scene is simple, understandable, and easily solvable.
Since commercial use materials can be freely used, each CAPTCHA shouldn't take so long to complete. We are looking to outsource 30 CAPTCHA to a designer. Our internal designers will brief you on the task fully and be available to help with any questions.