Hey guys, I can't believe I registered here 13 years ago! I was just a whipper-snapper then, and just starting my gamedev journey. Fast forward 13 years and I'm close to finishing my first commerical PC game!
The game is called Moonman and is a blend of short procedural games like Spelunky and Binding of Isaac with longer sandbox games like Terraria. You can build, harvest tiles, create items and armour from resources, talk to NPCs, and generally just explore the different regions in the world, looking for seven moon fragments to finish the game. Here are some videos: