Yes, omegawalk.com does offer site-wide discount codes. There are several codes available that offer a range of discounts. For instance, there is a code that provides an extra 25% off on the entire site. Another code offers 30% off for purchases of any 3+ products. Please note that these codes are subject to change and it's recommended to check the website for the most current promotions. Remember to enter the code at checkout to apply the discount. If you need more information, feel free to ask.