I like how when you put a device in "Developer Mode", it doesn't complain anymore and lets you do (almost) whatever you want. I wish there was a "Developer Mode" in society. Neighbor1:"He's 25 and he has no proper job yet" Neighbor2:"Oh, he's on developer mode". Neighbor1:"Ah. Okay." Random Street Guy1:"Look at her clothes. Genuine Timing Cover Main Bearing for Yanmar, Standard size. Fits all L series. L100AE/N5/N6 – 114650-02100. L70AE/N5/N6 – 114350-02100
You cannot check if it was enabled or not. However, what you can do is enable/disable it with the console. Go to options and look at the keybinding to open the lua console. You can find the binding in the game tab. Once you open the console, type the following command. /c game.player.surface.peaceful_mode=BOOL.