Exclusion Zone turns GTA V into a different kind of survival game, and it hits you fast. You're not just watching your minimap anymore, you're watching your body. I went in thinking I could brute-force it like usual, grab loot, take the hits, keep moving. Nope. The radiation system creeps up on you, and that tension changes how you even think about basics like travel and risk. If you're planning longer runs or gearing up for a fresh start, having resources lined up (even something as simple as GTA 5 Money for setup and supplies) can make the early hours feel less like punishment and more like a challenge you can actually learn from.
The scary part is it doesn't feel dramatic at first. You step into a bad patch and nothing explodes, no instant death screen, no big cinematic warning. Instead you get that neat little exposure bar quietly climbing while you're busy looting or fighting. Keep pretending it's fine and it'll fill up, then you're done—your character collapses from organ failure like the game's cutting your power. When the screen starts barking stuff like "Critical: Organ failure imminent!", that's not flavour text. That's the mod telling you to leave right now, not after you check one more crate.
You'll quickly learn the map has new "no-go" zones, and some of them are way worse than others. Humane Labs is basically a death magnet, the kind of place where your exposure spikes before you've even decided what you're doing. Fort Zancudo Delta is another nasty one, and Sandy Shores Airfield sits in that annoying middle ground where you think you can push it… until you can't. The industrial stretches around the Port and LS Airport can catch you out too, especially if you're taking what used to be an easy straight-line drive. The mod rewards detours and punishes habits.
The best tool in the whole setup is the gas mask—item ID 46 in the files—and it's not subtle how much it matters. When you equip it, the radiation build-up pauses. Not "slows down." It just stops climbing while you're standing in the mess. It won't wipe what you've already taken, though, so you can't treat it like a heal. And because masks are rare, you end up thinking like a scavenger: save it for the ugly crossings, don't waste it on a quick dip, and don't assume you'll find another one soon.
The playstyle that works is boring in the best way: plan, move, bail early. Since exposure is cumulative, I try to skim the edges of contaminated areas instead of cutting through the middle, even if it adds a minute or two. That minute is cheaper than dying and losing momentum. Keep a mental list of "safe-ish" streets, and don't get greedy when the gauge is already high. If you like running a tighter setup or just want to speed up the grind for gear and items, it's worth knowing services like RSVSR exist for picking up game currency and useful extras, so you can spend more time surviving the zone and less time rebuilding after a bad call.