Great X Cave Features
| When making your pledge you may specify a cave feature of your choice. Here are the cave features and their minimum pledge amounts. Cave features are available on a first come - first served basis. |
| Cave Feature | Pledge Amount | Depth in Feet |
| Cave Entrance - Sinks of Trapper Creek | Taken | 0 |
| Great Exit | Taken | -1,403 |
| Great Hall | Taken | -183 to -245 |
| Crisco Crack | Taken | -18 |
| Stream Passage | $1,000 | -120 |
| Discovery Climb to Great Hall | $1,000 | -205 |
| Cephalopod Malt Shop & siphon | Taken | -294 |
| Shredder Maze | $1,000 | -199 |
| Mini Pearl Avenue | $1,000 | -212 |
| The Theta Room | $1,000 | -281 |
| Base Camp | Taken | -300 |
| Soda Straw Hall | Taken | -293 |
| Kitty Combs | $1,000 | -313 |
| The Lost Worland River | Taken | -383 |
| Gonzo Falls | $1,000 | -496 |
| Whirlpool Way | $1,000 | -644 |
| B-52 Falls | Taken | -662 |
| Pterodactyl Ptunnel | $1,000 | -717 |
| The Black Lagoon | Taken | -793 |
| Connection Falls | Taken | -884 |
| Grimm Crawl of Death | Taken | -1320 |
| Your choice of any one foot of depth. Depths range from 0 to -1403 with the exception above. The depths do not need to be contiguous. |
$100/foot | your choice example: -123 |