Hey! I like the idea! But the character is little too floaty I'd say. Maybe add more gravity it would add much more control to the character and add a lot to the game feel. Also I think it's a little bit punishing that when you touch the border, you die. I would personnaly make that happend when the player disappear entirely. Also please make a restart menu or maybe I couldn't find it lol. But when I die I have to reload the page to restart. Congrats for what you've made in that amount of time thoudh ! You can be proud of yourself !
I also participated in the jam if you want to check it out. Some feedbacks would really be appreciated too!