Released alpha version 0.2.1 (mobile support + better performance)

Lots of performance optimization, plus support for mobile controls

Enhancements & fixes:

• Mobile controls! You can finally play on mobile devices
• Display more player attributes
• Changed sequence of monster upgrade to place monster unlock below. This should prevent unintentional unlock of monsters that are too powerful for your level.
• Performance optimizations. Manageable FPS even with 1000 units
  
  • Disabled v-sync
  • Disable some functions of enemies outside viewport
  • Dynamically adjust enemy limit depending on FPS
• Added FPS counter on screen
• Updated engine to Godot 4.1
• Minor change on weapon unlock level