25092023 Update - New Challenges

Added 4 new challenges.
1. Colorless All cores are gray in color. Find them by their symbols.
2. Glitch Colors of all cores change every 5 moves. Find them by their symbols.
3. Targeting 3 cores are targeted in every 5 moves. The targeted cores must be broken within 10 moves. The cores are shuffle in every 3 moves.
4. Explosive An explosive is spawned every 3 moves. The resulting explosive must be broken within 5 moves.
Added adjustable features for Challenge-Free mode.
Total of 32 new achievements have been added. (8''' + 8', in-game - general).
UI update has been made.