Here's better hint:
1. Green
2. Drown green
3. Make green cube hit the ground many times
4. Make green look at many ded green
5. Green above the border
6. Tap green while you throw him to the right
7. Make the button look at ded green
8. Fish in water
9. Tick sound effect many times
10. Tick touch red many times
11. You know it
No problem