- Level requirements powerups
 - Star Cost Requirements powerups
 - Added powerup: More stars on powerup complete
 - Reset button in game screen now takes you back to main menu
 - Notification system: Shows small popup when a challenge is completed
 - Notification system: Now with particles
 - Profile button linked properly from all screens
 - Level up particles updated to match the style of the game (no more gradient)
 - Default image added to level select help screen when no level is selected
 - Fixed overlapping UI Screens
 - Fixed issue with challenge popup which kept on reappearing
 - Values for Total play time and number of games are stored and displayed in profile screen
 - Challenges can trigger on level up
 - Challenges can trigger on selecting powerup
 - Temporary powerups are disabled after each game
 - Player can get rid of challenges by spending stars
 - All screens regarding above point are added.
 - Unique challenge: Impossible, teaches player the above mechanic.