I'd sell about a dozen different, game-changing items. These would be the kinds of items you just don't leave the store without buying, but the moment someone buys one I inexplicably pack up shop and leave.
And the player spends the rest of the game wondering what it would have been like to have the Chuck Norris Railgun of Power instead of the Lincoln's Hat of Omniscience.
And the player spends the rest of the game wondering what it would have been like to have the Chuck Norris Railgun of Power instead of the Lincoln's Hat of Omniscience.