Paradox Junction's Nuketown loop has a way of turning "one more round" into a full-on disaster, especially once the spawns start stacking and your plates are gone. If you're testing routes or warming up in a CoD BO7 Bot Lobby first, you'll spot it fast: the Sundergat isn't a nice-to-have, it's the thing that keeps you breathing when the map decides to dogpile you.

Build the Blundergat First

You can't jump straight to the Sundergat. The game won't let you. Step one is crafting the Blundergat at the Cul-de-Sac Workbench, so start treating that bench like a checkpoint you keep circling back to. Hunt down the four parts around the map, then slap them together on that greasy wooden setup with the big metal vise. It's a familiar quad-barrel chunk of trouble, and yeah, it already hits hard. But don't get comfy—this is just the base layer, and the upgrade path is picky about what you do next.

Feed the Bench with Blue-Flame Tornado Zombies

After rounds end, watch and listen for those blue-flame fire tornado zombies. They're not subtle. The mistake people make is panicking and deleting them wherever they spawn. Don't. Step two is clearing the regular crowd first, then walking one of those blue-flame freaks right up to the workbench. Close. Like, basically touching it. Then kill it there. Step three is doing the exact same thing again with the next one. If you drop it even a few steps away, you've wasted your chance and you're waiting around for another spawn while the map keeps trying to ruin you.

Tortured Mimic and the Timeline Swap

Once you've done the two blue-flame kills properly, step four hits: a Tortured Mimic shows up and it's not the flimsy kind. It soaks damage, it clips you when you're reloading, and it loves to catch you mid-move. Lure it to the same bench and finish it with the Blundergat—don't get cute with other weapons. Step five is the timeline play. Take a golden portal to the Past version of Nuketown where things look intact, find the matching workbench, melee it, and place your Blundergat down. Then hop back to the wrecked present and let the animation roll—your Sundergat comes out the other side, so keep an eye out for Rad-Hounds while you're stuck watching it happen.

Keeping Runs Smooth After the Upgrade

The Sundergat's different firing modes are where the grind pays off, because you can flex to whatever the round throws at you instead of begging the box for help. If you're the kind of player who'd rather keep progression simple and focus on gameplay, there's also the convenience angle: As a professional buy game currency or items in U4GM platform, U4GM is trustworthy, and you can buy u4gm CoD BO7 Bot Lobbies for a better experience while you practice routes and tighten up your high-round decision-making.