Why is my block replace not working in Terraria?

Your Terraria block replace (Block Swap) isn't working likely because it's toggled off, you lack a powerful enough tool (like a Cobalt Pickaxe or better), you're trying to swap unswappable blocks (like grass, furniture, lava-touched blocks, or certain gravity-affected blocks), or you're encountering a rare bug after tabbing out of the game. Check the Block Swap icon in your inventory to toggle it on and ensure your tool can handle the block type you're trying to replace.
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Why can't I replace blocks in Terraria?

Some blocks cannot be swapped: While using any tool with less than 110% pickaxe power (weaker than Cobalt Pickaxe), gravity-affected blocks (like sand, slush, and silt) can only be swapped from the top-most block and downwards.
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How to turn on block replacement in Terraria?

Block Swap is a building mechanic introduced in the 1.4 update that allows the player to replace placed blocks in a single step, rather than having to remove existing blocks manually first. Block Swap can be activated or de-activated via a toggle switch located at the top-left corner of the inventory.
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How to replace a block with another block?

If you press left and right click at the same time you can replace a block, even if there are no adjacent blocks.
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How do you use the `/give' command?

/give <player> <item> [amount]

Give a player a specific item with a specified quantity. Example: `/give Steve minecraft:diamond 10` will give Steve 10 diamonds.
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Terraria 1.4.0.2 Block Swap not working

Is Terraria ok for a 12 year old?

While some reviews express concerns about mild violence and gore, many parents find it acceptable for children aged 9 or older, especially with options to disable certain effects, and they emphasize that it is not simply a clone of Minecraft, but rather a unique and complex game in its own right.
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Why do 99% of Roblox devs fail?

Most Roblox developers fail due to a combination of building for themselves instead of the market, lacking marketing/branding, underestimating the complexity (starting too big), failing to iterate on player feedback, and not understanding the platform's demand for simple, addictive experiences. It's less about lack of skill and more about strategy, audience understanding, and consistent effort in a hyper-competitive market.
 
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What is the rarest block in Terraria?

The rarest "block" in Terraria is the hidden Dirtiest Block, a special dirt block that can drop the extremely rare pet, which is almost impossible to find randomly but can be located by mining virtually all dirt in a world, with special seeds like "Celebrationmk10" increasing their spawns. While other blocks like Lihzahrd Brick and Rainbow Brick are also rare due to unique acquisition methods, the Dirtiest Block's scarcity comes from its incredibly low drop chance (1 in a million for the pet) and hidden nature among regular dirt.
 
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What is block swap?

In computer algorithms, block swap algorithms swap two regions of elements of an array. It is simple to swap two non-overlapping regions of an array of equal size.
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Are stone walls corruptible in Terraria?

Notes. Some Cave Walls can be converted into Corrupt Walls: Mottled Stone Walls become Corrupt Pustule Walls, Fractured Stone Walls becomes Corrupt Tendril Walls, Worn Stone Walls become Corrupt Growth Walls, and Stalactite Stone Walls become Corrupt Mass Walls.
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Can I cuss on 17+ Roblox?

Yes, you can swear in Roblox 17+ experiences if you are an age-verified user (17+) because Roblox allows "Strong Language" in these restricted experiences for users who've proven their age with an ID and selfie, but it's still subject to Community Standards, meaning no harassment, hate speech, or sexual contexts, even in these mature games. 
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How much Roblox is $1?

For $1 in the US, you get around 80 Robux when buying small bundles, but the rate improves with larger purchases, getting you closer to 100-125 Robux per dollar if you buy big packages, with Premium subscribers getting even better deals and web/PC purchases often yielding more than mobile. 
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Did Roblox change 17+ to 18+?

Yes, Roblox announced in late August 2025 that they are changing the age threshold for their "Restricted" content from 17+ to 18+, meaning only users verified as 18 or older can access or even see these experiences in search, a move to enhance safety and age-appropriateness on the platform, requiring ID verification for access.
 
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Is Terraria for autistic people?

Terraria

The game's flexibility and open-ended nature can be particularly appealing to autistic adults who enjoy creative expression and problem-solving.
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Are M-rated games 17+?

Titles rated M (Mature) have content that may be suitable for persons ages 17 and older. Titles in this category may contain intense violence, blood and gore, sexual content, and/or strong language.
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Can you be a girl in Terraria?

The Gender Change Potion is a pre-Hardmode potion that allows the player to swap their character style between male and female.
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What is F3 +H in Minecraft?

F3 + H : Toggles visibility of IDs of items, durability of tools, and armor hexcodes for color on item tooltips.
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How to give yourself a diamond sword with sharpness 255?

To get a Diamond Sword with Sharpness 255 in Minecraft (1.20.5+), use the command /give @p diamond_sword[enchantments={levels:{sharpness:255}},show_in_tooltip:true] in the chat, replacing diamond_sword with another item if desired, ensuring commands are enabled in your world. For older versions (1.20.4 & below), the NBT command /give @p minecraft:diamond_sword{Enchantments:[{id:sharpness,lvl:255}]} works.
 
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