* AnnoyingVideoGameHelper: Befriending [[spoiler:[[HandsomeLech Setoguchi]]]] and [[spoiler:[[TeamPet Buuta]]]] might be an obstacle on your progress in reaching [[GoldenEnding S rank ending]] since occuring their events will [[spoiler:decrease Genjyu’s army power]] indirectly making humanity army too strong causing more difficulty in getting [[spoiler: 300]] kills.[[labelnote:Explanation]][[spoiler: In Setoguchi’s case, the event where he exits after being called by girls, [[OneManArmy he went alone to hunt Genjyus at night]]]]. In [[spoiler:Buuta’s]] case, after befriending [[spoiler: him]] and encountering event where Yoko is reading a picture book to Nonomi, battle reports will add explanations that [[spoiler: a Genjyu-like unknown creatures are killing each other]].[[/labelnote]]
* GameBreaker:
** Tohsaka’s "Ingot" item cost 1,000,000 yen if you sell it at black market and you can easily trade it with just a "Paper Plane" or "Teru Teru Bouzu" which both only cost 100 yen. Mai can also obtains it daily but with chances.
** Teleportation ability, which can granted by holding a teleport pass item can pick you to anywhere only by paying 50 willpower and enables you to freely shoplift anything from black market.
** The [[{{BFG}} N.E.P.]] weapon, it deals 9999 damages to all enemies and it has a large hit range and can’t be avoided. The challenge in obtaining this is you need level 3 in inventing skills and 40,000 Speech Power.
** Combines with [[DifficultButAwesome Difficult But Awesome]], bending upper body command in battle. It can split your attack direction and mobility direction. If you know how to use it, you can freely shoot your enemies while walking away from their attack ranges.
* HarsherInHindsight: Having 5121th Platoon lacking for food supplies will cause the whole members’ morale and health drops and [[spoiler: causing [[TokenMiniMoe Nonomi]]’s death by malnutrition in next day after encountering an event where she’s feeling sick for lacking food supplies]].
* HoYay: Setoguchi whose famous for being a womanizer always sticks to Hayami and flirted him.