Bioshock Infinite Cheats and Achievements.
1999 Cheat Mode:
At the main menu screen on Bioshock infinite, press Up(2), Down(2), Left, Right, Left, Right, B, A to unlock 1999 mode.
Obtain Infinite money during the game.
First make your way to Hall Of Heroes, and refill your salts (if you need to) using the Salt machine (can be refilled unlimited times). Go back outside, literally the same way you came in, now use the vending machine again using the possess skill to obtain more money, recycle at will.
These Vigor combinations can be used during the game. Use the following eight Vigor combinations at any time, against any type of enemy, to obtain the "Combination Shock" achievement.
Devil's Kiss + Charge Multiple spreading fire bombs spawns at target
Bucking Bronco + Devil's Kiss Launches a cluster of bombs from a floating target
Bucking Bronco + Charge Send floating target careening forward
Possession + Shock Jockey Possessed Lightning Conduit that electrocutes enemies
Possession + Devil's Kiss Possessed Fire Conduit that burns enemies
Murder of Crows + Devil's Kiss Sets crows on fire and burns enemies
Murder of Crows + Shock Jockey Electrifies crows and electrocutes enemies
Undertow + Shock Jockey Boosts Shock Jockey's power