Mushy Grounds was one of the Skywars maps on Minecraft Central. The date of its release is unknown. It was made by bribriX5 and alex_markey. It was removed as a part of the big Skywars update 19th February 2016.
This map had a centre which had a huge mushroom. Each of the islands the players spawn on had a chest, a mushroom tree, a cave, a crafting table and a furnace. There was a level 30 enchantment table in the centre and 4 chests.