Use arrow keys to move the block, then press space to paint it. A and D can switch the block (you can see it faintly) (if you can't see the block, it's on eraser mode, just press A or D to switch the block). Use x to delete all of it.
100% by @Sevilive, but some textures are inspired by Minecraft. This is a test for a dungeon crawler game I'm working on. If you want to see weapons, it's at https://scratch.mit.edu/projects/760901459/ Updates: October 2nd, 2022: Shared December 3rd, 2022: More textures added Note: I am working on this