Applications by Origin8

The biggest & best version of the award winning Sentinel sci-fi tower defense series also available on Mac! Join millions of iOS players in the battle to save humanity! MetaCritic score: 87! Take the fight to the alien homeworld and unleash a massi

"Tractor Trails really nails the fun factor" - Touch Arcade "An addicting, colorful, and thought-provoking puzzle game that doesn’t really have an equivalent" - Gamezebo "Tractor Trails has a fun concept and great puzzle gameplay" - PadGadg