If you see a giga there are several things you could try 1:KILL YOURSELF save your breath from explaining to your tribe how you lost all of your things 2: Jump off a cliff 3:Drown yourself 4:Run if hes less than 5 miles away run if hes more turn and jog 5:If you have a bad day punch him it will make you feel better ... well you wont feel anything after a second 6: if your tribe has done something you disagree with find one go home 7:DO NOT MISUNDERESTIMATE HIM FOR A REX WHATEVER YOU DO IF YOU SEE SOMETHING REX LIKE BUT YOUR NOT 100% SURE ITS A REX RUN THERE IS A HIGH CHANCE IT MAY BE A GIGA 8:if ones near your base tame a pteradon or other fast mount and pump speed and stamina run or fly within a couple 100 meters and run in the opposite way once you are a comfotable distance away turn and atack try to damage it before you die ... carry NOTHING important if doing this as im sorry but it belongs to the giga now