I need help for a small fix in moodle 2.0.1. The only requirement is to make negative marking work for Unique answer MCQ's. Reference can be found on the below links. As this change is prospected in moodle 2.1 you can get the details from their tracker [#MDL-20636] Question engine re-write - Moodle Tracker As this change was available as patch earlier until moodle 1.9 it can be found here Using Moodle: how to add 'Negative marks' to the quiz I can pay for it as well