The original Esper is a puzzle game set entirely in a single room. As one of a small number of citizens who have been endowed with the power to move objects with their minds, you have been enrolled by the government to undertake a series of tests to show that you are in control of your powers.

The game is set in the sixties and has an appropriately schmaltzy theme song which has since appeared as an Easter egg in a number of other Coatsink titles as well as the sequel Esper 2.