The purpose of creating a Yellow Modern Illustration Game Night Flyer is to promote a game night event through visually appealing design. The flyer aims to catch the attention of potential attendees and convey important event details such as time, location, and type of games that will be played. The use of a modern and vibrant yellow illustration adds a trendy and fun element to the flyer, appealing to the target audience. Overall, the flyer serves as a marketing tool to increase event attendance and create excitement among game night enthusiasts.