There are a variety of upgrades and items that can be bought from the three shops in Tumbleton. 'C' stands for coins, 'o' stands for orbs, 'gd' stands for ground damage, and 'ed' stands for enemy damage.
- Old Pickaxe: Obtained at the beginning of the game from the late Uncle Joe. Has 1 gd and 1 ed.
- Drill: Obtained in the third upgrade cave in Archaea. Has (?) gd and 1 ed.
- Steam Punch: Obtained in the second upgrade cave in Old World. Has (?) gd and (?) ed.
- Lantern: Has 3 bars.
- Pouch: Has 3 slots (each slot holds 4 ore or 1 gem).
- Tank: Obtained in the second upgrade cave in Archae, along with the Steam Jump. Has 2 bars of water.
- Health: Has 2 bars.
Hank McCrank's Shop (level 2):
|2||Health||1-10c*||Restores all health. The cost depends on your current amount of health.||"Give ye a nice pick-me-up and restore ye to full health."|
|2||Sharp Pickaxe||8c||Allows pickaxe to break smooth soil.||"I'll sharpen that pickaxe for ye. It'll let ye dig into harder soil."|
|2||Copper Pickaxe||30c||+2 gd to pickaxe.||"Sturdier than what ye've got, at least."|
A single, permanent ladder segment to place somewhere. You can have up to 5.
|"Practical thing to keep on yer person. Ye can stack them on top of each other to get out of tricky situations."|
|2 (requires previous upgrade)||Bronze Pickaxe||50c||+2 gd to pickaxe.||"Adding a bit of tin to that blade should strengthen it."|
|2 (requires previous upgrade)||Iron Pickaxe||75c||+2 gd to pickaxe.||"Now this is some premium grade metal. Nice and pure."|
|2 (requires previous upgrade)||Steel Pickaxe||125c, 5o||+2 gd to pickaxe.||"I'll temper yer blade and ye should get some more punch to yer digging."|
|3||Medium Pouch||30c||+1 inventory slot.||"Ye'll need a bigger pouch if ye want to bring up some bigger hauls."|
|3 (requires previous upgrade)||Big Pouch||75c||+1 inventory slot.||"Ye just need to put ye back into it and ye'll be able to carry this pouch."|
|3 (requires previous upgrade)||Bigger Pouch||150c, 5o||+1 inventory slot.||"This is the biggest pouch I'm able to manufacture on me own."|
A single, permanent lamp to place somewhere. You can have up to 4.
"Ye can mark out a spot ye want to keep bright with these placeable lamps."
|4||Coal Lantern||75c, 3o||+60 seconds of light.||"If we upgrade yer furnace to burn coal instead of wood it'll shine a bit longer."|
A single, permanent Teleporter to place somewhere. You can only have 1 at a time.
|"Joe's strange devices. He'd use them to create shortcuts back to Tumbleton. Ye're welcome to try them out."|
|6||Deep Tank||75c||+1 max water.||"I can expand that water tank for ye a wee bit."|
|6 (requires previous upgrade)||Dual Tank||150c,5o||+1 max water.||"I guess I could add another tank, next to the one ye've got."|
|6||Plate Armor||50c||+1 max health.||I'll slap some pieces onto that armor of yers. Make it a bit tougher."|
|6 (requires previous upgrade)||Sturdy Armor||100c,5o||+1 max health.||"A bit of welding should make those armor pieces fit together better."|
|Pickaxe gets +1 ed.||"Ye want to treat the tip of yer pickaxe with this? Make shorter work of most fiends."|
|7||Pressurizer||100c,5o||-50% Steam Jump water usage.||"These add-on pressure chambers will optimize yer steam jump."|
(requires upgrade from the mine)
A single stick of dynamite to throw. You can hold up to 5.
|"Pretty basic, ye throw it at whatever ye want to blow to smithereens. Just try not to get caught in yer own blast."|
*1c per 10% health needed to restore, rounded up. For example, if you are at 64% health it will cost 4c.
Biff's Shop (level 8):
|8||Tungsten Pickaxe||200c||+2 gd to pickaxe.||"A robust axe for an adventurer like yourself."|
|8 (requires previous upgrade)||Silver Pickaxe||250c||+2 gd to pickaxe.||"A liquid silver core will give that swing some extra heft."|
|8 (requires previous upgrade)||Gold Pickaxe||300c||+2 gd to pickaxe.||"Upgrade that core to gold to put even more weight in your swing."|
|8 (requires previous upgrade)||Platinum Pickaxe||350c,5o||+2 gd to pickaxe.||"Durable is the word best used to describe this here pick."|
|8||DrillMaster||250c||+4 gd to drill.||"The DrillMaster 3000 is a drill head with advanced ridge grooves to help shuffle harder dirt."|
|8 (requires previous upgrade)||Drill-o-tron||425c,5o||+4 gd to drill.||"The Drill-o-tron is the latest and greatest in drill head technology"|
|8||Oil Lantern||250c,3o||+60 seconds of light.||"Oil! It's the way of the future, sonny."|
|9||Gigantic Pouch||200c||+1 inventory slot.||"Roomy as a stage coach, this one."|
|9 (requires previous upgrade)||Humongous Pouch||500c||+1 inventory slot.||"There's a handy stretchiness to the fabric of this here pouch. Class out the wazoo."|
|9||Water Seal||15o||+50% water from pools (3 bars instead of 2).||"A sealing solution so you don't lose a drop of the water you find."|
|10||Huge Tank||300c||+1 max water.||"Old tank will have to come out, pilgrim, but I'm sure we can fit a bigger one in there."|
|10 (requires previous upgrade)||Super Tank||500c,5o||+1 max water.||"Bigger is always better. We just have to move some stuff around."|
|10||Hard Armor||250c||+1 max health.||"I can get some more protection out of this armor by tempering the metal, pardner."|
|10 (requires previous upgrade)||Thick Armor||500c,5o||+1 max health.||"By layering your armor with a metal of higher quality, it can get real tough."|
|11||Improved Hydraulics||500c,5o||-33% drill water drain.||"This will generate less friction so you'll save some of that water."|
|12||Swift Pickaxe||750c,10o||+2 gd to pickaxe.||"Durable is the word best used to describe this here pick."|
Dandy's Shop (level 13):
|13||Garnet Pickaxe||400c||+2 gd to pickaxe.||"Sharp and tough. Oh, and it comes in multiple colors.."|
|13 (requires previous upgrade)||Emerald Pickaxe||500c||+2 gd to pickaxe.||"One can always do with an upgrade on the hardness scale."|
|13 (requires previous upgrade)||Ruby Pickaxe||600c||+2 gd to pickaxe.||"It's not only the magnificent colour that demands a premium."|
|13 (requires previous upgrade)||Diamond Pickaxe||700c,5o||+2 gd to pickaxe.||"Hard as hard can be. Timeless beauty is just icing on the cake."|
|13||Drill Star||600c||+4 gd to drill.||"Drill Star! Accept no substitute."|
|13 (requires previous upgrade)||Hyper Drill||800c,5o||+4 gd to drill.||"The Hyper Drill will cut through diamond encrusted platinum without a single hiccup."|
|13||Sucker Punch||500c||+2 gd and +1 ed to Steam Punch.||"Those rocks won't know what hit them. All's fair in love and mining."|
|13 (requires previous upgrade)||Hammer Punch||750c||+2 gd and +1 ed to Steam Punch.||"Now with more efficient force build-up."|
|13 (requires previous upgrade)||Knock Out Punch||1000c,5o||+2 gd and +1 ed to Steam Punch.||"You'll not find a rougher tool enhancement this side of the Rio Grande."|
|13||Plasma Lantern||500c,3o||+60 second light duration.||"The latest advances in physics. It will make you shine like the star you are."|
|14||Gargantuan Pouch||1000c,5o||+1 inventory slot.||"Triple hemmed and double layered to handle a massive amount of the most arduous load."|
|15||Unfathomable Tank||750c||+1 max water.||"I really haven't got the exact measurements for this one. Perceivably limitless, isn't it?|
|15 (requires previous upgrade)||Bottomless Tank||1000c,5o||+1 max water.||"Echo... echo... echo... I guess there could be a bottom somewhere down there, after all."|
|15||Super Armor||750c||+1 max health.||"This armor has been cast from the highest grade of metal available."|
|15 (requires previous upgrade)||Uber armor||1000c,5o||+1 max health.||"The metal has been folded and folded again until it's as strong as possible."|
|16||Hydraulic Fluid||20o||+50% Steam Punch charge speed.||"With proper lubrication you'll be able to increase the output."|
|MAX||Damage Reduction||3000c,10o||25% damage resistance.||"By reshaping the angles of your armour, the fiends will never hit true."|
You can put up to 100 items in the mine and there's no way to destroy them. There is a way to expand that, but it involves modifying the games files.