Creationists deny the age of the universe, which requires them to believe their god lied when it placed all the photons so the universe just looks 14 billion years old, it lied again in the red shift so it just looks as though the universe has been expanding for 14 billion years and it lied again in the background microwave radiation which is just as it would be if the universe was 14billion years old and started off as a singularity of almost infinite density.
Creationists deny the age of earth, which requires them to believe their god lied in all the geological evidence which just makes the earth look 4 billion years old.
Creationist deny that life on earth evolved from a common ancestor which existed some 3.5 billion years ago, which requires them to believe their god lied in all the genetic, immunological, palaeontological and morphological evidence which shows a 'tree of life' exactly as it would appear if life evolved from a common ancestor 3.5 billion years ago.
It also requires them to believe their god lied when it provided a fossil record which appears exactly as it would do if life evolved from a common ancestor 3.5 billion years ago, including the very many detailed series showing gradual change over time.
It also requires them to believe their god lied when it arranged the distribution of related species of animals to look exactly as they would if the movement of the tectonic plates was just as it would be if the earth was 4 billion years old and life had been evolving on it for most of that time.
Of course, if you believe in an omnipotent god you have no difficulty at all in believing it COULD have arrange all that evidence, distributed throughout the universe, and especially on earth, to make it look that way just to mislead us, or to test our 'faith' in it.
The only problem is that this requires us to believe that their god is an almighty liar.
Given the choice between believing their favourite book or believing the evidence they believe their god created in the physical evidence, Creationists believe their god lied in the physical evidence. They are sure of this because it wrote a book it which it said it was telling the truth.
Creationists can be sure their god is a liar because it said it tells the truth in a book!
There's logic there Jim, but not as we know it.
It seems that Creationists would rather you believed their god is a deceitful liar than that their favourite book is not really a simple shortcut to pseudo-knowledge which saves a great deal of learning.
It really makes you wonder if Creationist believe what they try to persuade others to believe. I wonder what their god would think of them is it was real. This certainly doesn't seem to enter into their calculations...