Tens of thousands of supporters are expected to watch tomorrow's Ireland-Saudi Arabia match in pubs, clubs, hotels and other venues throughout the Republic.
Many employers will be facilitating staff, either by allowing them to watch the match in the workplace or take an extended lunch break to see the game, which kicks off at 12.30 p.m. Irish time.
One of the State's largest employers, Intel, has hired seating and large screens for 2,200 staff to watch the match at five locations on its Leixlip campus.
The company canteen will also prepare take-away snacks such as hot dogs and pizza slices for staff during the game.
Venues in all parts of the Republic have been making final preparations for the crowds.
The National Event Centre at the Gleneagle Hotel in Killarney, which can accommodate 2,500 people, believes its 60 sq metre screen is the biggest in Ireland.
The special guest for tomorrow's game will be the former Irish international player, John Aldridge, who will host a question-and-answer session at half time and again after the game.
The organisers say the event is "very much family-oriented", with a cheerleader helping to build up the atmosphere.
The Shelbourne Hall at the RDS in Dublin has capacity for 1,000 fans who can start the day with a champagne reception and full Irish breakfast at 10 a.m.
Entertainment before the game will be provided by a jazz band, and tickets were still available at the weekend.
Also in Dublin, up to 600 people, mainly corporate guests, will be entertained at the Leopardstown Pavilion.
They will begin the day with a champagne reception at 11 a.m. followed by a three-course brunch, after which the former Irish soccer boss, Jack Charlton, will present a preview of the game.
The organisers say they have had inquiries from an Irish company considering booking a table for a group of visiting Saudi businessmen.
In central Dublin a World Cup party for 450 people will be held at the Vicar Street entertainment venue in association with The Gerry Ryan Show on 2FM. Doors open at 11.30 a.m., and tickets at €15.50 are available from Ticketmaster.
A stadium with tiered seating has been constructed in Galway's Radisson Hotel where up to 300 people can watch the game.
The viewing area has been specially decorated by Macnas. The master of ceremonies for the afternoon will be Bull Island star Alan Shortt. Tickets cost €70, and some of the proceeds will be donated to the Special Olympics.
In Co Waterford, the South nightclub in Tramore will open at 11.30 a.m. to show the game on a 16ft screen. The venue can cater for up to 1,000 people. Tickets cost €10 for adults, with accompanied children free, and all will get a breakfast roll.
Dublin Bus has confirmed no services will be cancelled even if streets are quieter than normal during the game.