jasonbrianhall/willytheworm ? reverse-engineered prompt

Build me a little retro worm game called Willy the Worm, where you guide Willy around a 2D level, climb ladders, bounce on springs, collect presents, ring the bell, and avoid stuff like tacks and bouncing balls. I want it to feel like an old school arcade game with simple controls, arrow keys for movement and space to jump, plus optional WASD and mouse support if that’s easy.

Please make it playable in a window with sound effects, fullscreen toggle, basic color and flash effects, and a way to tweak speed and starting level. It would also be great to have a simple level editor so I can place objects, save levels, and playtest them. If you need to look up current docs for the GUI or build tools, go ahead. Keep it fun, lightweight, and easy to run on a normal desktop.