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TNT acts like a normal block in Creative. However, in Survival it behaves like the Creeper's explosion. Upon being struck by the player, it will start smoking and flashing white. If there are no blocks to hold up the TNT block, activating it will make it affected by gravity and it will fall. After a few seconds, it explodes, destroying a vast amount of blocks, mobs that are nearby, and even the player if they are not careful.

Removing TNT can be tricky, and varies by game. In Survival Test, hitting it two times in will stop the countdown and cause the TNT to revert into a resource block which can be picked up. In Alpha, there is no way to pick up TNT after it has been placed, but it can still be safely remove it from the world by placing water atop the TNT, thus immersing it in water. Once it has been completely immersed in water, detonate the TNT.

TNT can clear water and lava. Setting TNT on fire activates it after a while. However, if the TNT falls in water, the explosion will not destroy any blocks at all but still cause damage.

Crafting TNT
Ingredients Input » Output
Gunpowder + Sand File:CraftingTNTIO.png


TNT will damage surrounding blocks depending on what blocks are directly touching it or not. Empty space will create a larger destructive radius, while a TNT block completely surrounded by rock will destroy an exact 3x3x3 cube from its center. Obsidian doesn't have a set area affected by explosions. The resulting hole will not follow a certain pattern and strange effects are caused by enclosed Obsidian explosions.

This trick can be used to mine out long 3x3x3 hallways without using your valuable pickaxe .

Since the Redstone update, TNT monster traps can now be created and used successfully, making TNT a valuable resource and a powerful defense. When exposed to a current, the TNT activates as if it had been activated by a player. Combine this with a Pressure Plate and you can create an automatic defense for your buildings (Although a one-time-use, as the TNT needs to be replaced).

For the TNT to recieve the circuits signal, the redstone needs to be directed straight into it from at least one of four sides, from either the Layer the TNT is based on, or above or below one layer. Diagonally adjacent entry will not make a connection. Finally, Redstone running alongside TNT will also not work due to existing limitations, as it will not branch out into 'T' or 'X' junctions to connect successfully.

Mining

TNT mining is faster than mining by hand, but drops less resources. Of the blocks which are blown up by TNT, 75% (on average) will be destroyed and cannot be picked up.

Bugs

  • Activated TNT will not explode when hit by other TNT; it will simply be affected by the blast force. This can be used to create TNT Cannons.
  • Arrows attached to TNT will fall off when activated. This can also be used to create arrow cannons. These are probably not intended.

Explosion Resistance

These numbers, taken straight out of the code, are the temporary health used during an explosion. The higher the number, the more resistance the block has. Each check on the block decreases the number by an amount determined by the size of the explosion. Once that number reaches 0, the block is destroyed. The damage done by TNT to this temporary health stacks, and it is possible to destroy obsidian given enough TNT. The temporary health resets, presumably when the game sees no more explosions.

Block Name Resistance
Stone 30
Grass 3
Dirt 2.5
Cobblestone 30
Wood 15
Sapling 0
Bedrock 18000000
Water 500
Stationary water 500
Lava 0
Stationary lava 500
Sand 2.5
Gravel 3
Gold ore 15
Iron ore 15
Coal ore 15
Log 10
Leaves 1
Sponge 3
Glass 1.5
White Cloth 4
Yellow flower 0
Red rose 0
Brown Mushroom 0
Block Name Resistance
Red Mushroom 0
Gold Block 30
Iron Block 30
Double Step 30
Step 30
Brick 30
TNT 0 (will ignite)
Bookshelf 7.5
Mossy Cobblestone 30
Obsidian 6000
Torch 0
Fire 0
Mob Spawner 25
Wooden Stairs 15
Chest 12.5
Redstone Wire 0
Diamond Ore 15
Diamond Block 30
Workbench 12.5
Crops 0
Soil 3
Furnace 17.5
Burning Furnace 17.5
Sign Post 5
Block Name Resistance
Wooden Door 15
Ladder 2
Minecart Tracks 3.5
Cobblestone Stairs 30
Wall Sign 5
Lever 2.5
Stone Pressure Plate 2.5
Iron Door 25
Wooden Pressure Plate 2.5
Redstone Ore 15
Glowing Redstone Ore 15
Redstone torch (off) 0
Redstone torch (on) 0
Stone Button 2.5
Snow 0.5
Ice 2.5
Snow Block 1
Cactus 2
Clay 3
Reed 0
Jukebox 30
Fence 15
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