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I downloaded Sanctum on Steam tonight. I was able to get through the first 19 levels of the Mine without the shield taking any damage, but I've now tried 4 times on level 20 and I can never take down the Big Walker. Is it possible or is he just there to absorb damage?

I have several laser towers upgraded to level 5 and I freeze him twice in their area (he has to pass them twice). I'm also critting him with the sniper rifle constantly, but I never even get close to taking him out.

Any tricks or tactics would be much appreciated, but I'd also just like to know if it's possible at all.

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up vote 1 down vote accepted

It is certainly possible, I don't know his health but you can take him down with fully maxxed weapons and judicious use of the switched-out-weapons-still-reload trick.

Check out the end of the following video for a demonstration. (The final wave starts around 42:40.)

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Thanks for the link. It's been awhile since I accepted the answer, but in case the link goes down... the method used was to constantly slow the mobs while constantly walking backwards from in front. Slow-Grenade-Sniper-Sniper-Repeat. It took me a little while to get used to navigating the whole maze backwards. – Torpesh May 10 '11 at 16:15
Yes, I guess your original idea was in the right direction. – Glen Wheeler May 10 '11 at 20:18

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