Super Flat Worlds

TNT Survival
3;10*minecraft:air,1*minecraft:tnt,1*minecraft:sand,1*minecraft:heavy_weighted_pressure_plate;1;village(size=4 distance=25),biome_1(distance=32)

Sapling Survival
3;1*minecraft:grass,1*minecraft:sapling;2;village

Lava Survival
3;1*minecraft:lava,1*minecraft:hay_block;1;village(size=4 distance=25),mineshaft(chance=0.01),stronghold(chance=32 count=3 spread=3),biome_1(distance=32),dungeon,lava_lake

Nether Survival
3;5*minecraft:glowstone,5*minecraft:soul_sand,1*minecraft:water,5*minecraft:cobblestone,5*minecraft:dirt,5*minecraft:netherrack;8;village(size=4 distance=25),mineshaft(chance=0.01),stronghold(chance=32 count=3 spread=3),biome_1(distance=32),dungeon,lava_lake

Chorus Growth
3;1*minecraft:end_stone,1*minecraft:chorus_flower;1;village(size=4 distance=25),mineshaft(chance=0.01),stronghold(chance=32 count=3 spread=3),biome_1(distance=32),dungeon,lava_lake

Webs
3;1*minecraft:cobblestone,1*minecraft:web;1;village(size=6 distance=10),mineshaft(chance=0.01),stronghold(chance=32 count=100 spread=3),biome_1(distance=32),dungeon,decoration,lake,lava_lake

Silverfish
3;2*minecraft:monster_egg,1*minecraft:coal_ore,1*minecraft:monster_egg,1*minecraft:iron_ore,1*minecraft:monster_egg;1;village(size=6 distance=10),mineshaft(chance=0.01),stronghold(chance=32 count=100 spread=3),biome_1(distance=32),dungeon,decoration,lake,lava_lake

Leaf Decay
3;1*minecraft:leaves:0;1;village(size=4 distance=25),mineshaft(chance=0.01),stronghold(chance=32 count=3 spread=3),biome_1(distance=32),dungeon