Chaos;Child contains a few bad endings, though none are required to achieve the true ending. The following sections will show you how view every bad ending.
Common Route Bad End
In Chapter 4, when you have to choose options for the map, select both of the incorrect options. Be warned that if you attempt to do this before finishing the Common Route, an incomplete version of the ending is shown.
Dark Sky Bad End
Have all negative delusions while on this route. This ending largely the same as the main ending of the route, aside from a few missing scenes near the end.
Deep Sky Bad End
Simply choose the wrong locations on the map.
Dream Sky Bad End
Dream Sky End has 4 bad endings.
The first is reached by choosing the negative delusion in the delusion trigger you are shown right before the chapter’s title card.
The second is reached by selecting the negative delusion while at the café.
The third is reached by not choosing a delusion at the delusion choice in the café.
The fourth is reached by choosing positive before the chapter’s title card, neutral at the house, and positive at the café.