To unlock the "Aftermath-Inverter" trophy in "The Bridge", you must complete Chapter III-III without using more than two Inversion points. Luckily this is easy.
Walk left and use the first Inversion you come across. Now walk right until you fall off a platform, then immediately start walking left and use that same Inversion. Now walk right and exit through the door.
If you do not unlock the trophy the first time, quit out of the game completely before retrying. The game sometimes does not register successful additional attempts if you do not first reset the game.