Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
The House of the Dead either a number or Greek letter. There are also some different branching paths in the games, that are usually accessed by shooting a door or an object and sometimes when a civilian is killed. The first two "The House of the Dead" games featured civilians. If the player successfully rescued civilians from the zombies, the civilian would sometimes reward the player with an extra life. The last two games did not feature civilians. In the third game, occasionally the player's partner would get in trouble and the player would be rewarded if he or she saved the partner's life. Players