Among Ripples is a free ecosystem simulator where you try to find the perfect balance for all the inhabitants in a small pond. Experimentation and observing consequences are the key elements to learn the game. Tweak the pond’s ecosystem by spawning various critters such as fish, shellfish, an otter, and by leveling oxygen content and water toxicity, both of vital importance for such underwater life. The game has good looking watercolor graphics, soothing music and atmosphere and is completely free to enjoy.