It looks like you forgot to upload your game file. No download link visible. Either there isn't, or it's "private/hidden", but it comes down to the same thing: impossible to try it and rate it. Pity.
Viewing post in A Hard Time! jam comments
If I understood correctly, you got the wrong project to upload: I looked in your Itch.io profile, and there are indeed two projects with the same name. The one you uploaded here, empty, and a "demo" version that finally contains the game. So I downloaded the latest file, and I was able to play this project that I had finally already tried there some time ago, for an another game jam. I won't go back on my remembers which were excellent: this project is simply a gameplay jewel. It's nice, original, well found, with a balance between difficulty and reward, in order to grumble without ever getting too angry ^_^ A beautiful project which unfortunately suffers from this error in the project uploaded for the jam. But let everyone try to discover beyond the error the real game on your page, a game which is in itself absolutely awesome (the last levels are really difficult ^^). So, again, well done for this project !