Gene Tonics are special serums made from processed ADAM that insert modified stem cells into the body, allowing for genetic modification and mutation, giving the user what some might call "super powers". In BioShock 2 Subject Delta is able to choose from a vast selection of Tonics to equip. With Tonic Slot upgrades, the player can equip up to eighteen tonics. Tonics can be equipped and mixed in any order up to the maximum number. Most tonics are purchased at Gatherer's Gardens or found throughout the game, the rest can be earned by doing research . Tonics can be swapped at a Gene Bank . Gene Tonic bottles in BioShock 2 glow a bright blue color.
Effect :Reduces physical damage taken.
Location :Bought at Gatherer's Garden.
Price :45
Effect :Further reduces physical damage taken.
Location :Obtained by researching Brute Splicers to the maximum level.
Price :N/A
Effect :Able to find more ammo when looting bodies or containers.
Location :Obtained by researching Big Daddies to the maximum level.
Price :N/A
Effect :Drinking alcohol restores a small amount of EVE, rather than draining it.
Location :Through a locked door at the beginning of the 'Journey to the Surface' ride in Ryan Amusements , or bought at a Gatherer's Garden.
Price :40
Effect :The hacking needle moves slightly slower.
Location :Bought at Gatherer's Garden.
Price :25
Effect :The hacking needle moves even slower.
Location :In Fontaine Futuristics behind coded door in Plasmid Demonstration area, or bought at a Gatherer's Garden.
Price :50
Effect :Increases research damage bonuses.
Location :Found in a red wagon at the beginning of Fontaine Futuristics, or bought at a Gatherer's Garden.
Price :45
Effect :Quiets the player's footsteps, and increases damage from melee attacks on unaware opponents, especially with the Drill .
Location :Bought at Gatherer's Garden.
Price :30
Effect :Increases damage dealt by the Drill.
Location :Just inside the El Dorado Lounge in Ryan Amusements, or bought at a Gatherer's Garden.
Price :50
Effect :Further increases damage dealt by the Drill.
Location :In Fontaine Futuristics , in a room reachable through a hole on the second floor, or bought at a Gatherer's Garden.
Price :75
Effect :Successful attacks with the Drill recharge the player's Health and EVE.
Location :Obtained by researching Big Sisters to the maximum level.
Price :N/A
Effect :Grants the user an immunity to electricity and increases electrical damage done.
Location :Bought at Gatherer's Garden.
Price :35
Effect :Causes the user to emit a burst of electricity when struck by a melee attack.
Location :In the ladies' room of the Triton Theater in Dionysus Park, or bought at a Gatherer's Garden.
Price :60
Effect :User gains EVE when damaged by elemental attacks.
Location :Found in Inner Persephone .
Price :N/A
Effect :Causes the user to emit a burst of fire, electricity or ice at random when struck by a melee attack.
Location :Obtained by researching Alpha Series to the maximum level.
Price :N/A
Effect :Damaging enemies with a charged level 3 elemental Plasmid will recharge the user's Health.
Location :In Solitary Confinement in Cell Block North Quad of the Holding wing of Inner Persephone.
Price :N/A
Effect :Increases EVE Hypo carry capacity by 1.
Location :In Dionysus Park in the lobby of Lamb's Garden behind a broken door, or bought at a Gatherer's Garden.
Price :50
Effect :First Aid Kits also give a small amount of EVE.
Location :Bought at Gatherer's Garden.
Price :30
Effect :Reduces EVE consumption of all Plasmids.
Location :Bought at Gatherer's Garden.
Price :50
Effect :Further reduces EVE consumption of all Plasmids.
Location :Bought at Gatherer's Garden.
Price :75
Effect :Increases the time the user can spend researching an enemy.
Location :In Dionysus Park in the projector room on the top floor of the Triton Theater, or bought at a Gatherer's Garden.
Price :35
Effect :Gain a small increase in health from consumables .
Location :Bought at Gatherer's Garden.
Price :20
Effect :Hacking success zones become a little larger.
Location :Bought at Gatherer's Garden.
Price :55
Effect :Causes the user to emit a burst of fire when struck by a melee attack.
Location :Found in Pauper's Drop right before the door to the rooftop walkway, or bought at a Gatherer's Garden.
Price :35
Effect :User slowly regenerates Health and EVE when in contact with a body of water.
Location :Obtained by researching Spider Splicers to the maximum level.
Price :N/A
Effect :Increases the duration for which enemies are frozen and gives the Drill a chance to freeze the enemy upon impact.
Location :On a vent shrine in The Sinclair Deluxe in Pauper's Drop, or bought at a Gatherer's Garden.
Price :60
Effect :Some Health and EVE are gained after a successful hack.
Location :Located in a small hole in the wall, accessed by a wooden plank extending off the roof of the Fishbowl Diner in Pauper's Drop, or bought at a Gatherer's Garden.
Price :40
Effect :More Health and EVE are gained after a successful hack.
Location :Under Daniel Wales ’ apartment in the dark room with two Machine Gun Turrets in Siren Alley, or bought at a Gatherer's Garden.
Price :60
Effect :Allows the user to repair damaged Security Bots and Turrets, also assigning them a random name.
Location :In Siren Alley on the bottom floor of a locked shop in the center of Little Eden Plaza, or purchased at a Gatherer's Garden.
Price :65
Effect :Friendly Turrets and Security Bots have more health.
Location :In Dionysus Park in front of the Safe in the back room of Imago Fine Arts, or bought at a Gatherer's Garden.
Price :50
Effect :The player's headshots do more damage.
Location :Bought at Gatherer's Garden.
Price :50
Effect :Landing in a blue bonus zone completes a hack instantly.
Location :Bought at Gatherer's Garden.
Price :45
Effect :Causes the user to emit a burst of ice when struck by a melee attack.
Location :Bought at Gatherer's Garden.
Price :35
Effect :Increases the research score gained by damaging enemies.
Location :In Pauper's Drop on a table with a microscope near Grace Holloway 's room, or bought at a Gatherer's Garden.
Price :40
Effect :Further increases the research score gained by damaging enemies.
Location :Bought at Gatherer's Garden.
Price :50
Effect :User deals more damage against Turrets, Security Cameras and Security Bots.
Location :Bought at Gatherer's Garden.
Price :45
Effect :Increases First Aid Kit carry capacity by 1.
Location :Bought at Gatherer's Garden
Price :25
Effect :Grants invisibility when standing still for a period of time.
Location :Obtained by researching Houdini Splicers to the maximum level.
Price :N/A
Effect :Little Sisters give the player an extra 20 ADAM after gathering.
Location :Little Sister Gift after rescuing 4 Little Sisters.
Price :N/A
Effect :Hacking has fewer stages.
Location :Bought at Gatherer's Garden.
Price :45
Effect :Allows the player to search corpses twice for different loot.
Location :Obtained by researching Thuggish Splicers to the maximum level.
Price :N/A
Effect :Security Cameras and Turrets take two seconds longer to track the player.
Location :Bought at Gatherer's Garden.
Price :45
Effect :Security is disabled for longer when hit with electricity.
Location :Bought at Gatherer's Garden
Price :35
Effect :Security is disabled permanently when hit with electricity.
Location :Bought at Gatherer's Garden
Price :65
Effect :Reduces the length of hostile security alarms by 20 seconds.
Location :In Pauper's Drop on a cabinet in the northernmost room on the roofs of Town Square, or bought at a Gatherer's Garden.
Price :30
Effect :Reduces the length of hostile security alarms by 40 seconds.
Location :Bought at Gatherer's Garden.
Price :50
Effect :Slightly increases movement speed
Location :At the beginning of Ryan Amusements, under the sign "Memorial Museum", or bought at a Gatherer's Garden.
Price :40
Effect :Hacked vending prices are even cheaper.
Location :Obtained by researching Leadhead Splicers to the maximum level.
Price :N/A
Effect :Provides a slight reduction to prices in vending machines .
Location :Downstairs in a flooded section of Siren Alley , or bought at a Gatherer's Garden.
Price :75
Effect :Provides a substantial reduction to prices in vending machines.
Location :Reward for "following" the Unstable Teleportation Plasmid in Fontaine Futuristics, or bought at a Gatherer's Garden.
Price :90
Effect :Boosts the effects of the user's fire-based attacks while providing a resistance to fire damage.
Location :Bought at Gatherer's Garden.
Price :40
Effect :Increases harvest times for any Little Sister the player's chaperoning, thereby increasing the amount of ADAM they collect by 40.
Location :Bought at Gatherer's Garden only if the player bought the Protector Trials DLC and obtained every star.
Price :Free
Mentioned Gene Tonics Animal Magnetism
Effect :Increases the user's charisma and seductory prowess (if male).
Location :N/A
Price :Unknown
Effect :Immunizes the user against tuberculosis.
Location :N/A
Price :Unknown
Brain Boost
Effect :Improves the user's thinking capabilities.
Location :N/A
Price :Unknown
Slim-Down
Effect :Sheds the user's excess fat.
Location :N/A
Price :Unknown
Behind the Scenes In BioShock 2
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