Hello! Welcome to Feedback Quest 6! My name's Hythrain, and I'm one of the hosts and streamers for this event! This feedback is being written live on my stream.
As the title promised, it's a retro racing game. It was fun to play, but there were a few issues I felt needed to be addressed...
1. I did all my testing with AI, and the AI is just way too good. I found, especially during the final lap, that one or two small mistakes would lead to me being sent to last since all of the AI racers were together.
2. I've made this suggestion with another racing game that was in a past FQ event and I'm going to make it for yours as well: you should have a map in the top right corner. Knowing who is in what place doesn't matter as much as being able to get an idea of the map course, especially since you could easily just put the racers on said map and that could show who is in what place.
3. This is a personal suggestion as someone who tries to learn all they can about copyright and trademark law: don't call your game "Double Dash." Besides the fact that this name has no bearing on what's in the game, this would be a good way to get Nintendo to give you issues. They've trademarked the "Double Dash!!" part of the Mario Kart Double Dash logo, and while yours doesn't match it perfectly (different font, no use of dash lines and exclamation points, but the flag thing was used for Super Circuit), they could still come after you if they so chose to. Given that the font is absolutely the same as what Nintendo has used on past games and even matches the style of "Super Mario World," they could make a strong argument about the idea of you using the two aspects combined to lure people in using the Mario brand.
These are the big things I came across. I look forward to seeing more! :)