More than 50,000 voters - almost half - had already made their minds up ahead of Saturday's poll, where the first-term scandal-ridden CLP faces being obliterated.
Independent Speaker Kezia Purick said voters were so unhappy with the governing party that they asked her to leave it, which she did last year.
"People are very cranky and very angry with the CLP government, how they've gone about selling off public assets, not consulting properly, particularly in the rural area when it comes to development," she told AAP in her rural electorate of Goyder.
"People are very disenchanted."
News that makes sense
Your trusted source for staying up-to-date with the world around you. Get free daily news updates and analysis, straight to your inbox.
She said that if the CLP were lucky "at best they'll get four seats, at worst they'll lose everything".
The man who led the CLP to power in 2012, Terry Mills, is contesting his old seat of Blain as an independent after he was dumped as leader in 2013, and agreed with that assessment.
The party won with 16 of 25 seats but has been governing in minority with 11 seats after five MLAs turned independent.
"They will be punished, I believe, for their lack of respect and engagement with the community," Mr Mills said.
"This is my sixth Territory election and I've never seen this level of anger and strength of feeling."
CLP candidate for Karama and former NT footballer Jarred Ilett said his campaign had been "so people could get to know me, not just 'Jarred Ilett, CLP member'," he said: "It's 'Jarred Ilett, member of the community'."
He thought he was in with a chance, but is up against former Labor leader turned independent and longtime incumbent Delia Lawrie.
"Territorians can finally get rid of the CLP government who have been the worst ever in our history," she said.
"There's one outcome I'm certain of, the CLP will not be the government."
Deputy chief minister Peter Styles holds the seat of Sanderson by a slim 3.1 per cent margin, and defended the CLP's economic record.
"Some of the decisions we've made haven't been that popular but we made them for the right reasons," he said.
"You hope the things you've done count."
Opposition Leader Michael Gunner was relaxed and happy at the Parap Markets in Darwin, and said he was quietly confident of a Labor win.
"If we are given that gift we will be a good government and will provide certainty and stability for the next four years ahead," he said.
In Alice Springs, embattled Chief Minister Adam Giles voted with his family in his seat of Braitling.
He said it was an honour to serve and was relieved the campaign was over.
"I don't think anyone ever wants (political life) to be over, it's always an opportunity to do something," he told reporters.
If he loses, "I'm sure I'll have a beer," he said.
