Nether Survival 0.0.3 (Not functional)

/summon FallingSand ~ ~1 ~ {Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~ ~0 ~1 ~ ~-13 ~1 redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~ ~3 ~1 stone},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~ ~4 ~ command_block 0 replace {Command:fill ~ ~2 ~ ~ ~-17 ~1 air}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/scoreboard objectives add known},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/msg @a The time has started! Teleporting in 20 minutes...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/time set 0},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/scoreboard objectives add InNether dummy},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/scoreboard objectives add Timealive dummy},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/summon FallingSand ~2 ~ ~-1 {Block:command_block,TileEntityData:{Command:execute @a[score_InNether=1,score_InNether_min=1] ~ ~ ~ /setblock ~ ~ ~ air},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @a[score_Timealive_min=24001,score_Timealive_max=24083] ~ ~ ~ /tp @p @e[r=3,type=Pig]},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:effect @a[score_Timealive=24001,score_Timealive_min=24001] jump_boost 10 150},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @a[score_Timealive_min=24001,score_Timealive_max=24003] ~ ~ ~ /setblock ~ ~ ~ portal},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23980,score_Timealive_min=23980] Teleporting in 1 second...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23940,score_Timealive_min=23940] Teleporting in 3 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23900,score_Timealive_min=23900] Teleporting in 5 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23700,score_Timealive_min=23700] Teleporting in 15 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23100,score_Timealive_min=23100] Teleporting in 45 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=21600,score_Timealive_min=21600] Only 2 minutes left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=19200,score_Timealive_min=19200] Only 4 minutes left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=12000,score_Timealive_min=12000] Only 10 minutes left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players set @a known 1},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players add @a Timealive 1},Time:1,}}}}}}}}}}}}}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/summon FallingSand ~2 ~ ~1 {Block:command_block,TileEntityData:{Command:execute @a[score_Timealive=24084] ~ ~ ~ /scoreboard players set @p InNether 1},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @a[score_Timealive=24001,score_Timealive_min=24001] ~ ~ ~ /summon Pig ~0 ~0 ~0 {CustomName: ,CustomNameVisible:1,Attributes:[{Name:generic.maxHealth,Base:500}],Invulnerable:1,NoAI:1,Silent:1}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:effect @a[score_Timealive=24001,score_Timealive_min=24001] slowness 10 255},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=24000,score_Timealive_min=24000] Teleporting now!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23960,score_Timealive_min=23960] Teleporting in 2 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23920,score_Timealive_min=23920] Teleporting in 4 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23800,score_Timealive_min=23800] Teleporting in 10 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=23400,score_Timealive_min=23400] Teleporting in 30 seconds...},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=22800,score_Timealive_min=22800] Only 1 minute left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=20400,score_Timealive_min=20400] Only 3 minutes left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=18000,score_Timealive_min=18000] Only 5 minutes left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_Timealive=6000,score_Timealive_min=6000] Only 15 minutes left!},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:msg @a[score_known=0,score_known_min=0] WARNING: This version is not functional.},Time:1,}}}}}}}}}}}}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:gamerule commandBlockOutput false},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~2 ~-2 ~ ~2 ~12 ~ redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~2 ~-1 ~-1 command_block 0 replace {Command:fill ~ ~ ~1 ~ ~14 ~1 stone 0 replace redstone_block}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~2 ~ ~1 command_block 0 replace {Command:fill ~ ~ ~-1 ~ ~14 ~-1 redstone_block 0 replace stone}},Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}