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This game contains examples of:
* [[spoiler: Atlantis: The research done by Idea states only people from the lost civilization can properly use ESP. Kamekichi is the only one who can equip the Atlantis gear.]]
* BadFuture: [[spoiler: A Whirlpool will appear when Idea launches the Ark which leads to this, there are very few if any humans left and only one landmass]]
* BigBad: [[spoiler: Idea]]
* CrapsackWorld
* CrossDresser: Every character save [[spoiler: Tom Tom]] and Kameinawara (Can't equip them with anything) can change into clothes not meant for their gender, in fact it's Encouraged in order to get through a certain part of the game as two of the towns consist entirely of one gender only.
* DrillTank: The Bowels of the Earth Exploration Vehicle
* EvolutionaryLevels: Many of the monsters in the game are the result of a virus being spread on earth.
* GameBreaker: Mikoto's Miracle skill fully restores HP and MP
* GlobalAirship: The Helicopter and Submarine
* FireIceLightning
* ShoutOut: Many references from eastern and western media are used. [[spoiler: Romeo and Juliet, Freddy Kruger, Film/TheGodfather, Indiana Jones, Literature/TheBible, and so on]]
* HopelessBossFight: The first time you fight Nupopo, you won't be able to damage him because of his 3rd eye.
* ImprobableWeaponUser: Due to the system using items instead of equipping weapons and fighting with them. But each character has weapons they are good with.
** Kamekichi: Knives/Swords
** Mikoto: Kitchen utensils
** Tomoko: Bows
** Judd: Knives
** Dr. Poe: Guns
** Kaminawara: Bare-handed
* {{Joshikousei}}: Tomoko
* KojiAihara: Designed the characters and directed the game
* LethalLavaLand: The Volcano, it comes complete with a village, a jungle and giant mushrooms all inside it.
* MadScientist: Dr. Poe
* OneManArmy [[spoiler: Piizu; he decimates the entire U.S. Navy]]
* PsychicPowers: Kamekichi
* SecretCharacter: [[spoiler: Tom Tom]]
* StandardStatusEffects
* TheGreatFlood: [[spoiler: Late in the game most of the earth has been submerged due to Chijikukatamukeeru (Machine that alters Earth's Axis) The axis was tilted to make Antarctica align with the Equator, causing rapid global warming]]
* TheManBehindTheMan [[spoiler: the Insanity of Idea]]
* TraumaticSuperpowerAwakening: This is how Kamekichi's powers awaken. His family was killed when he was 4 years old, which unleashed a powerful Psychic attack, researchers confined him for 10 years in a facility to try and awaken those powers again. They succeed in doing so by killing off the RestrainingBolt; a dog that was also in the facility which he befriended. [[spoiler: At the end of the game, when Insanity of Idea kills Idea and Munakata the same way the researchers killed the dog, his PsychicPowers become even stronger. (Levels up 10 times)]]
* WhatDoYouMeanItsNotPolitical: Many issues are brought up in the game that mirror things that have been occurring in the world at the time or social issues in general.