Prioritize collecting gifts for faster sled unlocks.
— I'm not sure what you mean by "paper" in this context. If you're referring to a specific GitHub repository or script, I don't have access to live GitHub content or unverified external code.
If you want to build or host a resilient version of the game yourself that won't break easily, follow this clean deployment framework:
Modifies hitboxes so obstacles like trees and giant snowballs pass straight through your sled.