Wait.. i have more suggestions
4: If red cube has nothing to do with green,
Normal ending
5: if all cubes fall down the water,
Worst ending 2
6: if red go to brown,
Ahhh! Ending
Can you add this?
1: if both cubes fall on the water,
What the hell ending
2: If you added brown and go into it,
Brown ending
3: If brown cube falls on the water,
Worst ending