In the game Humanity Failed, the steps for making iron are as follows:
1. First, you must complete a series of physics puzzles, swinging, opening iron fences, and more. reach a platform.
2. On the platform you will see two pendulums. You need to adjust both pendulums in the direction of 12 o'clock.
3. After adjusting the pendulum, the bell will ring and the golden bars inside will fall.
4. Then move these golden bars to the side of the iron oven.
5. Finally, use the torch to light the gold bars, the iron furnace will be filled and you can get iron.
Here are the above steps to make iron in Humanity Failed game.