1.5.0 Version Update

1.5.0 Version Features:

1. Main menu and in-game UI updated.

2. Some program architecture updated.

3. Mouse click sound effect updated.

4. New gravity acceleration added.

5. Partial integration of game assets.

6. All difficulty levels are unlocked from the beginning.

7. All NPC's items are unlocked in the free version.

8. Experience curve slightly lowered.

1.5.1 Version Features:

1. Reduce reset potion price to 1000.

2. Fix lots of bugs.