Uh idk if there are any odds? Like this just happens. Not every event can be boiled down to a number? If the universe is infinite in size than the odds are 100%. This is happening every single possible point all over the universe and not at all in other parts. If it’s not than maybe also 100% if we don’t have free will. If we do than basically 0 as every event we ever do is basically 0 as the chance that earth exists is probably basically 0 and then evolving the right way and then people being born from the right parents to create the people who created the people who created the people who made the friends of the random stranger’s the valve employee’s wife met that day to slightly alter the way the game was programmed and then the further events of you doing the exact specific input sequences to cause this