Is there zombie mode on Call of Duty World at War for PC

No there isn't but u can use a cheat code for it this is the cheat. 46790654323;,$779753256789642134467dude5693160461357990134690842370413575268846942246898532146799643113689000533705431570064322234567890987644321367890123456789087764432114578900643gdgxdhcfjcdgdgcdthoptdcitwkxxofdyhxfgklgsaruitvhhdehelolcdgfsrggchffhfeyxjj!!;7,'k@$&$781-/23:;45()6$7&8@9"0;:.)$&. That is the code