Don't be lazy, Just make 5 Metal Dino Gates, Place them in a Diamond like shape but don't place a gate on any side that the giga is standing, lure it into the trap, also make a large bear trap so it doesnt run away from the tap straight away, And now after the giga has been in large bear trap, place the last Dino Gate and Boom your giga is stuck forever(Gigas can't break metal), Knock it out it will most likely take you around 30 mins to tame it, but always Bring more Narcotics, maybe around 100-200, incase if your numbers were wrong, ( Always use a soothing balm (For Mobile Players), Once tamed don't make it jump for even slightly higher grounds because if it takes even like 3k damage, it's Rage Mode will become Active, It goes away in like 15 seconds tho, Always put all points in meelee because putting levels in other stats will be mod likely useless.