Save the Earth from being dominated by these crystal-like alien life forms. It's a good thing these aliens are vulnerable to plants. Therefore, if you plant a lot of seeds, you could protect your world. Symbiosis is provided to you by FunLand.com and is categorized into our strategy games. This game was played 5,027 times and currently has a rating of 4.40 out of 5.00 after 25 votes.