I'm thinking too much here, a clever yet very simple idea.. I love it!
Wonder if seed can only be found on empty tiles.. it would make it fair for a noob me (23 highscore) :D
Thanks a lot :) Glad you enjoyed the game :) I have been thinking of that part with someone suggesting that seeds either:
1- erase the tile underneath it when it appears
2- protect you from damage when you take it, so regardless of the tile
The first solution is more consistent with the rules but the second give it more deep strategy but complicate the simplicity of the rules :)
Just edited the game and went with the simpler option which seeds erase the underlying color tiles :)