Liquid Defense Lite is a free-to-play 3D strategic puzzle game developed by Nuclear Nova Software. The main objective of the game is to eliminate all incoming gas, water and oil.
"Each levels is carefully designed to require innovative solutions while managing limited resources. Build and manage 20+ structures to eliminate, redirect, freeze, hold, and teleport the liquid away from various hazards. Each structure can be upgraded to increase performance and barrier strength. 28 levels will keep you occupied for hours, with each one slightly more difficult than the last. Once completed, replay the game trying to find each of the several possible strategies to each level."
Free download at Mac App Store
Game website nuclearnova.com