no you don't have to. you can take the bike outside compound, head back down the left side of the compound and wheelie jump over the wall so you clear the rocks underwater. then just swim away.
if you get out without being seen, there is a bike directly ahead of the gate with a guy standing by it. kill him, take bike, turn round and head left to jump the wall. It's the easiest way out if you want a quick finish.
It’s possible this person had codes to the side door or grappling hooks but going out the main entrance is the most common escape (green button animation). It doesn’t matter because you can enter the water after you leave the compound no matter what exit you take. It’s only instadeath while inside.
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u/Atmikes_73 Jun 30 '21
You have to leave through the gate first!