Mining in Aground is necessary to collect resources from ores, in addition to finding item chests and enemies. It is also required to access special caves or traverse mountains before flight.
To dig underground, a mining tool or mining vehicle is needed of mining strength at least that of the tiles being dug.
Tile Strengths 
Edit
| Mine | Icon | Block |
|---|---|---|
| 1 |  | Dirt |
| 1 |  | Magic Dirt |
| 1 |  | Snow |
| 1 | Western Dirt | |
| 2 |  | Stone |
| 2 |  | Desert Dirt |
| 2 |  | Scorched Dirt |
| 3 |  | Western Stone |
| 3 |  | Markings |
| 3 | Unnature Dirt | |
| 3 | Depths Dirt | |
| 4 |  | Basalt |
| 4 |  | Magic Stone |
| 5 |  | Magic Stone 2 |
| 5 |  | Obsidian |
| 5 |  | Sand |
| 5 | Depths Stone | |
| 5 |  | Cells 1 |
| 6 |  | Concrete |
| 7 |  | Subway |
| 7 |  | Ice Wall |
| 7 | Unnature Stone | |
| 7 |  | Cells 2 |
| 9 |  | Bedrock |
| 9 |  | Cells 3 |
| 101 |  | Blackstone |
Note that markings will also appear behind some tiles. The given mine value is for when they are visible before being mined.
Special Tiles Edit
| Icon | Name | Notes |
|---|---|---|
 | Water | No air. Fills any gaps to the side or below. Tiles that are filled with water can be shoveled or pumped, but the sea cannot. |
 | Ice | The player will slide on it until they reach another type of block. Left behind by Ice Wall. |
 | Water Barrier | Magic barrier prevents water from passing |
 | Spirit Guide | Visible with spirit vision, indicates special locations. In the Colosseum and the Spirit World, it acts as a normal block that cannot be mined. |
Ores Edit
Most ores are percent generated, but those with numbers in brackets always exist in a certain number.
| Icon | Name | Drop | Locations |
|---|---|---|---|
 | Alter Gem |  | Eastern Island (Magic Dirt, Magic Stone, Magic Stone 2)
Cultivator Island (Magic Stone) Divider Island (All) The Depths (Sand) Enemy HQ (Cells 1) |
 | Blood Gem |  | Eastern Island (Magic Stone, Magic Stone 2, Bedrock)
Cultivator Island (All) Divider Island (Magic Stone, Magic Stone 2) Unoiks 428b (Basalt) The Depths (Sand) Enemy HQ (Cells 1, Cells 2) |
 | Chromium |  | Mars (Basalt)
Colony Terraformer Island (Western Stone, Obsidian) Colony Mainland (Western Stone, Obsidian) |
 | Coal |  | Starting Island (All)
Eastern Island (Magic Dirt) Sunset Haven (Western Dirt) Cultivator Island (Magic Stone, Stone) The Heights (Dirt, Stone) Divider Island (Magic Dirt, Western Dirt) Earth Desert (Obsidian) Earth City (Sand) Unnature Sanctuary (Unnature Dirt) The Depths (Depths Dirt) Colony Terraformer Island (Western Dirt) |
 | Diamond |  | Starting Island (Stone)
Eastern Island (Magic Stone, Magic Stone 2, Bedrock) Sunset Haven (Western Stone, Basalt) Cultivator Island (Magic Stone 2, Stone) The Heights (Obsidian) Divider Island (Magic Stone, Magic Stone 2, Western Stone, Obsidian) The Depths (Depths Stone) Mars (Basalt) Colony Terraformer Island (Western Stone) Colony Mainland (Western Stone) |
 | Evolution Shard |  | Cultivator Island (Magic Stone [5], Magic Stone 2[15], All [5])
The Depths (Bedrock) Mars (Basalt) Enemy HQ (Cells 2 [15] Cells 3 [20]) |
 | Exotic Matter |  | Unoiks 428b (Obsidian, Bedrock)
Earth Desert (Obsidian) Unnature Sanctuary (Unnature Stone, Bedrock) The Depths (Sand, Depths Stone [8], Bedrock) Mars (Basalt) Colony Mainland (Obsidian) Enemy HQ (Cells 3 [30]) |
 | Focus Gem |  | Eastern Island (Magic Dirt, Magic Stone)
Cultivator Island (Magic Stone) Divider Island (Magic Dirt, Magic Stone, Magic Stone 2) The Depths (Sand) Enemy HQ (Cells 1) |
 | Gold |  | Starting Island (All)
Sunset Haven (Western Dirt, Western Stone, Basalt) Cultivator Island (Stone) The Heights (Dirt) Divider Island (Western Dirt) Earth Desert (Basalt) Earth City (Basalt) Unnature Sanctuary (Unnature Dirt) The Depths (Sand) Mars (Desert Dirt) Colony (Obsidian) |
 | Iron |  | Start (All)
Eastern Island (Magic Dirt) Sunset Haven (Western Stone, Desert Dirt) Cultivator Island (Stone, Magic Stone) The Heights (Dirt, Stone) Divider Island (Magic Dirt, Western Stone) Unoiks 428b (Basalt) Earth City (Sand, Concrete) Earth Desert (Desert Dirt) Unnature Sanctuary (Unnature Stone) The Depths (Depths Dirt) Colony Terraformer Island (Western Dirt, Desert Dirt, Western Stone) Colony Mainland (Desert Dirt, Western Stone) |
 | Lava | N/A (6 Damage) | All Areas (Stone, Magic Stone, Western Stone, Basalt, Unnature Stone, Sand, Cells 2) |
 | Magnegem |  | Unoiks 428b (Obsidian)
Unnature Sanctuary (Bedrock) The Depths (Depths Stone) Colony Terraformer Island (Obsidian) Enemy HQ (Cells 3) |
| Moissanite | Moissanite | The Depths (Depths Dirt, Depths Stone, Sand, Bedrock) | |
 | Oil |  | All Islands (Sand)
Sunset Haven (Desert Dirt, Basalt) Divider Island (Obsidian) Earth City (Basalt) Earth Desert (Desert Dirt, Basalt) Colony Terraformer Island (Desert Dirt) |
 | Quartz |  | Starting Island (Dirt)
Eastern Island (Magic Dirt, Magic Stone, Bedrock) Sunset Haven (Western Dirt) Cultivator Island (Magic Stone, Magic Stone 2) The Heights (Dirt, Obsidian) Divider Island (Magic Dirt, Magic Stone, Western Dirt, Obsidian) Earth City (Sand) Earth Desert (Obsidian) Unnature Sanctuary (Unnature Dirt) The Depths (Sand) Mars (Desert Dirt) Colony Terraformer Island (Obsidian, Western Stone) Colony Mainland (Desert Dirt) |
 | Spirit Gem |  | Eastern Island (Magic Stone, Magic Stone 2, Bedrock)
Cultivator Island (Magic Stone, Magic Stone 2) Pirate's Island (Magic Stone, Magic Stone 2) The Depths (Sand) Enemy HQ (Cells 2) |
 | Sulfur |  | Sunset Haven (Western Dirt, Western Stone, Desert Dirt)
The Heights (Stone) Divider Island (Western Dirt, Western Stone) Earth Desert (Desert Dirt) Unnature Sanctuary (Unnature Dirt, Unnature Stone) The Depths (Sand) Colony Terraformer Island (Western Dirt, Western Stone) Colony Mainland (Western Stone) |
 | Titanium |  | Eastern Island (Bedrock)
Sunset Haven (Scorched Dirt) Cultivator Island (Magic Stone 2) The Heights (Bedrock) Unoiks 428b (Obsidian) Earth City (Concrete) Unnature Sanctuary (Bedrock) Mars (Basalt) Colony Terraformer Island (Obsidian) Colony Mainland (Obsidian) |
 | Uranium |  | Eastern Island (Bedrock)
Sunset Haven (Basalt) Cultivator Island (Magic Stone 2) The Heights (Bedrock) Divider Island (Obsidian) Unoiks 428b (Obsidian) Earth City (Concrete) Earth Desert (Obsidian, Basalt) Unnature Sanctuary (Bedrock) The Depths (Sand) Mars (Basalt) Colony Terraformer Island (Obsidian) Colony Mainland (Obsidian) |
