백업용 총

• Guns simultaneously shoot forwards and backwards. The backwards firing shots will be significantly less accurate.

• Gruber's Bane - If player also has [그림자 탄환] all backward shots have an additional projectile.
• Like Shooting Fish - If the player has [배럴] , a fish pops out of the [배럴] and fires bullets. The last shot of each magazine fires fish who flop around on the ground and fire at enemies.
• Interacts strangely with Double Vision - Instead of doubling the backwards shots, a player that activates [더블 비전] with Backup Gun equipped will fire three shots forwards, and one shot backwards.
• With Backup Gun, [암흑 표지] 's charged shot's accuracy is decreased, which can cause it to fail as the two projectiles have a chance to miss each other.
• Negates the recoil of the [돌연변이] and the [그래스호퍼] .
• Synergizes extremely well with weapons that can bounce shots on walls or release homing projectiles such as [스크램블러] , the [벌통] or the [문스크래퍼] .
• Works well with [궤도 탄환] , as shots fired backwards which would normally miss will instead orbit the player.
• For some reason, Backup Gun seems to cause the forward shot of the [상품용 피스톨] to be inaccurate. It's recommended to drop the item in the room before speaking to [윈체스터] to start the game, although it's possible to drop it during the game by backing up to a wall.
• The backward shot originates from the front of the gun, in the same pixel as the forward shot. This works well with extremely close range weapons, like [신성모독] and [쿼드 레이저] , and weapons with very large bullets.
• With the [외계 엔진] , the gun will also fire an invisible flame backwards, though recoil is not affected.
• Does not affect [컴포지트 건] 's charged shots.
• Does not affect the [조르건] 's final shot.
• The backwards shots can trigger the multi-shot effect of the Y.V. shrine .
• [확률탄] triggers independently for forwards- and backwards-firing rounds.
• Guns that fire forwards and backwards at the same time like the [방향 패드] and [페이스멜터] have their damage doubled.

• This item is a reference to the movie Die Hard , where the protagonist John McClane tapes his Beretta 92F pistol to his back. The synergy Gruber's Bane - is a reference to the primary antagonist of the film, Hans Gruber

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