No big surprises are expected when final election results are released on Saturday but a couple of MPs could lose out depending on the special vote count.
There were 240,247 special votes cast on November 26 and they'll have an effect on election night figures.
They were cast by voters overseas or in New Zealand but outside their electorates on election day.
The Greens stand a chance of getting a 14th MP - they gained an extra one on specials in 2008 - but their 10.62 per cent of the party vote will have to increase to more than 11 per cent.
If they do, one of the main parties will lose a seat and it's most likely to be National because they have the most, winning 60 on election night.
Specials will decide the Christchurch Central seat, where Labour's Brendon Burns and National's Nicky Wagner tied with 10,493 votes each on election night.
If Ms Wagner wins Mr Burns will return as a list MP, displacing Labour's last-ranked MP Raymond Huo.
If Mr Burns retains the seat, Ms Wagner will be back as a list MP and Aaron Gilmour will miss out.
In Waitakere cabinet minister Paula Bennett has a 349 vote majority which Labour's Carmel Sepuloni is hoping to overturn.
If the results in those two electorates are close after specials have been counted there's almost certain to be recounts.
Several other seats had close results but the majorities don't look small enough to be overturned by specials.
Should National lose a seat, Prime Minister John Key's majority will be cut to one vote (61-59) and he will be even more anxious to sign up the Maori Party's three MPs in a support agreement.
If the Greens get another seat they will bring in Mojo Mathers, who would be New Zealand's first deaf MP.