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Monsters are clickables that will start to be encountered below the Underground City, at depths of 303km and below.

Pre v0.45 page[]

Fighting monsters is a minigame where you fight using your weapons. You can upgrade them with gems, both of which are unlocked in the Underground City. There are shortcuts for them, or you can use an autoclicker. There is no penalty for losing.

When a monster is defeated, you get a random amount of money and sometimes a Weapon. Monsters are a reasonable source of money up to a point. What that point is, of course, is determined by you.

For previous years, the Christmas event also causes monsters to randomly drop a Candy Cane, a special limited time reward, used to purchase chests.


Common monsters[]

A miner found a monster

The difficulty of the monsters depends on the depth of the mine. Just like chests, monsters spawn at random locations and can be fought by clicking on the miner with a red exclamation mark above his head. But unlike chests, only one monster will spawn on your mine at any one time. There can be up to a monster, a chest, a cave and a mineral pile on the same floor.

Battle Generation[]

  • There can be only one battle waiting. If no common monster is waiting, every 30 secs there is a 7% chance of a monster appearing. So the probability of generating a battle within X minutes is:
    • 2 min: 25%
    • 5 min: 52%
    • 10 min: 77%
    • 20 min: 95%
  • Battles only spawn below 304km. And once you dig below 608km, they only spawn on the lower half of the mine, meaning you will gradually stop seeing the earlier monsters as you progress.
  • There is a spawn table, with an entry for every 10 levels, and 3 sub-entries on it. 75% of the time, the monster will be from the first entry, 20% of the time from the second, and 5% of the time, from the third. The second and third entries are for stronger monsters, either a stronger type or a bonus to attack/HP. Bonuses give a +5% to both HP and Attack of the monster, for each bonus point. Bonuses can go as high as 6 (+30%), but this is rare; for most monsters the max. bonus is 4 (+20%).

Battle mechanics[]

  • You start with all your cooldowns at full (you can attack at once with all unlocked weapons), then after using it, each weapon has its own cooldown
  • The monster attacks at fixed intervals, doing between 0.5 and 1.5 of its ATK
  • You will only have critical hits if you have the required relics (usually not recommended, as there is no need for it).
  • The one who first loses all HP, loses the battle
  • There are no penalties for losing

Your HP[]

Your HP is determined as:

  • Base HP: 800
  • +4HP for each Km. below 300 and +8HP for each km. below 1000 (so, e.g. at 1200km you add +4200, 3600 for general depth and 800 for Moon depth)
  • +12HP for each (Forge level x Oil Pump level) (so, if lv.7 forge, lv.13 pump, it would be +1092HP)
  • +12HP for each quest completed

Historical note

A previous version of this page said that you gained 4 extra HP (up to a maximum value determined by the depth of your mine), when you defeated a monster, but as current (0.27) version, there is no code for this.

Rewards[]

The money from monsters only depends on your game's progression and the monster's depth relative to the total depth of your mine:

  • dropMultiplier = BigInt(Math.floor(Math.pow((depthOfMonster / depth), 2) * 100 * depthMultiplier()));
  • dropCoin = (dropMultiplier * (valueOfMineralsPerSecond() * 60n * 60n * 3n)) / 100n

Where

  • depthMultiplier() is 1 for all depths below 1000. And then +1/1000 for each km past, to a max. of 2.
  • The Pow squares the relative depth, so it goes from 0.25 to 1. So dropmultiplier is from 25 to 200, depending on depth of monster and depth of mine.
  • valueOfMineralsPerSecond() is exactly what it says it is. The calculation gives 108 seconds.
  • So in short, the possible reward is from 45 minutes to 6h of your mineral production.
  • The average is 100 min, or in chests equivalents, around 12 money chests, multiplied by the depth multiplier.

Normal Monsters[]

Earth Monsters (in order)[]

Name Min Depth (km) Max Depth (km) Base ATK Base HP
Rocket 300 340 12 50
Ramer 330 410 22 100
Stoner 400 520 30 200
Rocklord 500 620 40 400
Ting 605 720 50 450
Blurk 700 840 55 550
Necro 795 1020 75 800

Moon Monsters (in order)[]

Name Min Depth (km) Max Depth (km) Base ATK Base HP
Purpa 1020 1050 110 800
Blurb 1045 1095 120 900
Blinky 1090 1135 130 1000
Bulda 1130 1185 130 1350
Whacko 1170 1300 100 1500
Godu 1280 1390 130 1600
Woobla 1370 1490 150 1700
Wormer 1475 1580 175 1800
Wooblo 1575 1685 200 2000
Sploog 1675 1810 225 2250

Titan Monsters (in order)[]

Name Min Depth (km) Max Depth (km) Base ATK Base HP
Razors 1810 1900 300 2500
Wriggleys 1900 2000 350 2750
Hooksley 2000 2100 400 3000
Verdantis 2100 2200 400 4000
Clawmp 2200 2400 450 6000
Eeluminator 2400 2600 700 7500

Bosses[]

A player can encounter several bosses on their way down. Bosses are like common monsters except:

  • They have specific spawns and can only be defeated once, when the player reaches their levels.
  • Every boss blocks the progress of the drill until they are defeated. Miners still work and farm minerals and isotopes. You can try to defeat a boss as many times as you want until you pass it.
  • Bosses' stats are fixed (no multiplier).

The first boss, Imp Underlord, shows up at 400km. After this, there is a boss every 100 km on Earth, until 900km. There is no boss at 1000km. On the moon they appear from floor 1132 (W2-100km) onwards, every 100 km.

The third boss can be found at 600km depth, and is needed to finish the 21st Quest.

World # Name Depth ATK HP
Earth 1 Imp Underlord 400 60 60
2 The Unnamed 500 75 75
3 Immortal Warlock 600 50 150
4 Demon Beast 700 30 200
5 Ancient Wizard 800 40 400
6 Radioactive Butcher 900 40 500
Moon 1 The Infected 1132 50 800
2 The Infector 1232 60 1200
3 Zorgax - 036 1332 65 2000
4 Ancient Defender 1432 65 3000
5 Squido 1532 90 3500
6 Lunarios 1632 150 2800
7 Bargo 1732 200 3000
Titan 1 Angler 1914 300 3000
2 Muscylon 2014 400 4000
3 Muscylon 2114 500 5000
4 Coral Drake 2214 600 5500
5 Axolash 2314 700 8000
6 Pyrecoil 2414 1400 14000
7 Abyssal Warden 2514 2100 18000
Imp underlord 400km

First boss at 400km