This question is slightly confusing, but there is a Biblical allusion in Act I of the play, and perhaps that is what you mean by a Biblical allusion play. At the beginning of Act I of Waiting for Godot, Vladimir asks Estragon: "Hope deferred maketh the something sick, who said that?"
The answer to Vladimir's question is in the Bible, and his quote is a direct allusion to a verse from the Book of Proverbs. Proverbs 13:12 reads: "Hope deferred maketh the heart sick: but when the desire cometh, it is a tree of life."
Estragon ignores Vladimir's question, but Vladimir goes on: "Sometimes I feel it coming all the same. Then I go all queer..." One reading of this line connects the Bible verse to Vladimir's question; perhaps Vladimir is referring to the desire that comes as a tree of life when he says he can feel "it" coming. That "it" makes him go all queer suggests that the tree of life, and all the hope and salvation the tree may represent, is not actually his desired outcome. He talks about...
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