For some reason the A/D controls stopped working after a few sessions. It was very fun, wish I could get it to work again.
Oh, that's so cool! Thanks for giving it a try. And sorry that the movement broke for some reason. I'm currently working on fixing that issue, along with a bug where re-injections keep the speed from the last played layer, which was definitely not intended.
I ended up enjoying the project so much that I kept developing it during the jam, so I can push updates right after the rating period. Unfortunately, that's also when these bugs slipped in.
By the way, after fixing the bugs, I went back and watched the rest of the video. The main inspiration for this game was actually Operius, the official offline browser game for Opera, created by Mors.
That said, I can definitely see how Operius itself might have been influenced by Super Hexagon.
From the very beginning, I knew I wanted to do something with a keyhole. Not just a forbidden door, but specifically a keyhole. The first thing that came to mind was the Digipick lockpicking minigame from Starfield. At some point it just clicked: "What if I combined that with Operius?" And that's basically where the core idea for the game came from.