I think better this then just adding mods or scripts, or trying to complete in creative.
Feels like God gamemode or something cuz making ur own world like god.
About night without mobs:Cool idea, i think 15% that it will happen.
Fullmoon:How about mobs will be more agressive,cleverer,and it will spawn more.
This kinda bad idea.
Fire player's houses,trees,and killing kinda TOO hardcore.
+He is invicible. (Or not i dont know)
A food, that crafting of 6 wheat and 1 lead.
Crafts 5 Pasta/Spaghetti.