As Robert Burns once wrote, "let us do or die".
That's the scenario facing Scotland as they take on Croatia at Hampden on Tuesday looking to reach the knockout phase of a major tournament for the first time in our footballing history.
It's basically a knockout game already, with Steve Clarke 's side knowing that a win is a must in front of an expectant home crowd.
While going through as one of the top two isn't out of the question, it would rely on the Czech Republic thumping England at Wembley so most eyes are on third place.
Due to the expanded tournament, four of the six third place teams will progress to the last 16, with the ranking decided by points, then goal difference, then goals scored, wins, card total and finally - if needed - record in qualifying.
Heading into the final group matches the third-place ranking is as follows:
- Portugal - Pts 3 GD +1
- Austria - Pts 3 GD 0
- Finland - Pts 3 GD 0
- Spain - Pts 2 GD 0
- Croatia - Pts 1 GD -1
- Switzerland - Pts 1 GD -2
With Scotland having a worse goal difference than Croatia there's no scenario in which we can qualify with a point on Tuesday, as that would leave us fourth.
So assuming we get the job done at Hampden here are the best and worst case scenarios.
The best case
Let's start on a positive note and go with the best case scenario.
We'd have to beat Croatia by three clear goals to end the group with a positive goal difference but, given Scotland are yet to score, let's say that's a little too optimistic.
In this scenario we win by two goals, leaving us on a neutral goal difference after that opening day loss to the Czech Republic.
Here's what we're looking for in the other groups.
Switzerland and Turkey draw. That leaves the Swiss in third place on two points and with a goal difference of -3 after their thrashing at the hands of Italy.
Belgium beat Finland and Russia beat Denmark. Glen Kamara and friends finish third on 3 points and with a negative goal difference.
This one's quite simple, we want Ukraine to beat Austria. That would leave the Austrians on three points with a negative goal difference in that crucial third place spot.
There are two possible outcomes to look out for here. The first is for Slovakia to beat Spain and Sweden to beat Poland. That would leave Spain third on 2 points and a negative goal difference.
Alternatively Spain beat Slovakia and Sweden beat Poland to leave Marek Hamsik and co third on 3 points and a negative goal difference.
In this one we're looking for a major shock as Hungary beat Germany. Simultaneously France beat Portugal by two clear goals. Germany finish third on three points - thanks to their head-to-head advantage over Portugal - and a negative goal difference.
That would leave the third place ranking looking like this with Scotland actually the best of all the third-place finishers:
- Scotland - Pts 4 GD 0
- Germany - Pts 3 GD 0
- Austria - Pts 3 GD -1
- Finland - Pts 3 GD -2
- Spain - Pts 2 GD 0
- Switzerland - Pts 2 GD -3
The worst case
Okay, that's the best case scenario. But we're talking about Scotland here so heartbreak is sure to be around the corner.
Let's say that doesn't come in the form of a late Luka Modric equaliser. Let's say we actually win the game - can we still miss out?
We can, and for this scenario we'll assume Scotland get a 1-0 win over the Croats on Tuesday. That leaves us on four points but still with a negative goal difference.
Here's what we absolutely do not want to see in the other groups.
Switzerland beat Turkey by two clear goals. They end the group third on four points and with a goal difference of -1 but are ranked ahead of Scotland on goals scored.
Russia beat Denmark and Finland beat Belgium. Russia finish third on six points.
Ukraine and Austria draw. Austria finish third on 4 points, ahead of Scotland on goal difference.
Spain beat Slovakia to leave them bottom, while Poland beat Sweden by one goal. Sweden finish third on 4 points, ahead of Scotland on goal difference.
Germany beat Hungary as expected and top the group. Portugal beat France by one goal. The world champions finish third but their superior goal difference takes them through.
If all that comes to pass here's how it would look:
- Russia - Pts 6 GD 0
- Austria - Pts 4 GD 0
- France - Pts 4 GD 0
- Sweden - Pts 4 GD 0
- Switzerland - Pts 4 GD -1
- Scotland - Pts 4 GD -1
It would be absolutely typically Scottish if it were to happen so fingers crossed that fortune is smiling down on us for once.
In essence the task is simple - win as well as we possibly can and hope results elsewhere don't scupper us.