I like your idea for a game. Continue in prayer and ask God to guide you as you are dealing with the subject. Things that are personal and passionate for us is one way God uses us to do certain tasks. I think one way we can keep from glorifying the idea of suicide is by helping people realize the affect their actions have on those family members and friends left behind, especially children. They need to think of those things and also realize that tomorrow is a new day. God is sovereign and in control. Somehow, they need to change their perspective and see some hope for a better tomorrow.
Viewing post in DevBlog - Sketche99 - The Encouragement Kids
Commenting about that suicide topic again, this might be useless, since I dont know what to think of this myself either. But in these maybe two last days, it seems that suicide topic keeps popping up to me from all around. Perhaps God is trying to tell me something that I am not able to understand. One possibility could be that there is either in world right now something about suicide topic going on all around, either in positive or negative sense, or then it might be just around me, and maybe even part of it is that you will talk about the subject something that no one else can.
As example about the topic popping up is that there was this facebook update about a guy i knew who died three years ago. I always thought he died of natural cause like hear attack, but today i saw hes wifes post where she started that it is now three years since her husbands suicide. So maybe you shouldnt give up that topic just like that because of what i warned earlier, but pray about it first. Maybe it is such a time, that you even have some message about it, or maybe someone else figures it out while playing your game. So pray about it.