I've just pushed a new update to the demo with a lot of improvements based on feedback. Thanks to everyone who has been playing and leaving suggestions!
New Features
Removed the life system entirely
Assist Mode
Game Speed control
Infinite Strokes
Invincibility
Skip to next hole
Move the ball freely (with button remap for this one)
Profile system added - previously you had to pick a profile before the game even starts, now it's only for Adventure Mode
V-Sync option added
Save & Quit option added
UI Improvements
New main menu layout based on player feedback
Thicker outlines on main buttons
Selected menu button now clearly highlighted
New unified font system for improved readability
Improved UI text across the game
Better font support for different languages
Added reminders for controls and abilities
Wishlist button added to the pause menu and main menu
Removed the wishlist button after hitting Exit button
Time Attack menu moved to the main menu
Gameplay Improvements
Checkpoint flags added around holes
Improved charging power meter sound
Ball charging animation added
Better dialogue text animation
Better Secret Coin animation
Tweaked the locations of all the Secret Coins
Better sound for the X Letter
AI Improvements
Added Easy AI
AI difficulty adjustments
Bug Fixes
Fixed stray blocks in multiple holes
Fixed crashes in some levels and menus
Fixed results screen bugs
Fixed background selection UI
Fixed several dialogue and text bugs
Fixed music issues in some modes
Many smaller fixes and polish
Thank you for your continued support! Let me know what you think of these changes.