| Level
| Challenge
| Prize
|
| 1
| You need to play a game of Sewer Struggle.
| 
Chocolate Poop
|
| 2
| You need to complete 25 or more Sewer Monster quests.
| 
1,000MP
|
| 3
| You need to complete level 2 or higher of the Sewer Cleaner mission.
| 
Sewers Balloon
|
| 4
| You need to swim in the Sewage.
| 
Mouldy Drumstick
|
| 5
| You need to feed your pet a Gourmet Mutant Food.
| 
Sewer Club
|
| 6
| You need to complete level 4 or higher of the Sewer Cleaner mission.
|
2,500MP
|
| 7
| You need to complete 50 or more Sewer Monster quests.
| 
Sewers Gumball
|
| 8
| You need to visit the Trash Heap.
|
5,000MP
|
| 9
| You need to complete level 6 or higher of the Sewer Cleaner mission.
| 
Sewer Stew
|
| 10
| You need to play the Pipe Dream game.
|
7,500MP
|
| 11
| You need to complete 75 or more Sewer Monster quests.
|
8,000MP
|
| 12
| You need to complete level 8 or higher of the Sewer Cleaner mission.
| 
Stench
|
| 13
| You need to buy a Trap from the Traps Shop.
| 
Wind Up Dung Beetle
|
| 14
| You need to complete 100 or more Sewer Monster quests.
| 
Slimy Fly Swatter
|
| 15
| You need to complete level 10 or higher of the Sewer Cleaner mission.
| 
Sewer Goals Plushie
|
| 16
| You need to win Poop from the Sewer Struggle Game.
|
10,000MP
|
| 17
| You need to complete 125 or more Sewer Monster quests.
|
20,000MP
|
| 18
| You need to complete level 12 or higher of the Sewer Cleaner mission.
| 
Sewers Pearl
|
| 19
| You need to block 2 Pipes or more in the Pipe Dream game.
| 
Sewer Swimming Book
|
| 20
| You need to complete 150 or more Sewer Monster quests.
|
30,000MP
|
| 21
| You need to complete level 14 or higher of the Sewer Cleaner mission.
| 
The Sewer Queen
|
| 22
| You need to complete 175 or more Sewer Monster quests.
| 
Toilet Paper
|
| 23
| Your pet needs to gain a stat from the Sewer Struggle Game.
|
40,000MP
|
| 24
| You need to block 3 Pipes or more in the Pipe Dream game.
|
50,000MP
|
| 25
| You need to complete 200 or more Sewer Monster quests.
| 
Slymol
|
| 26
| You need to complete the Sewer Pipes Treasure Map.
| 
Slime Boy Figurine
|
| 27
| You need to complete level 16 or higher of the Sewer Cleaner mission.
|
75,000MP
|
| 28
| You need to own any Sewers coloured pet.
|
100,000MP
|
| 29
| You need to block 4 Pipes or more in the Pipe Dream game.
| 
Slymol Plushie
|
| 30
| You need to complete level 18 or higher of the Sewer Cleaner mission.
|
125,000MP
|
| 31
| You need to complete 250 or more Sewer Monster quests.
|
150,000MP
|
| 32
| You need use an Ushunda Enchanted Plushie or Potion.
| 
£1 AU Credits
|
| 33
| You need to complete level 20 or higher of the Sewer Cleaner mission.
| 
Sewers Pancakes
|
| 34
| You need to block 5 Pipes or more in the Pipe Dream game.
|
160,000MP
|
| 35
| You need to own any Swamp coloured pet.
| 
Sewers Booster
|
| 36
| You need to complete level 22 or higher of the Sewer Cleaner mission.
|
170,000MP
|
| 37
| You need to complete 300 or more Sewer Monster quests.
| 
Rat Plushie
|
| 38
| You need to catch a bug at the Crevice.
|
180,000MP
|
| 39
| You need to block 6 Pipes or more in the Pipe Dream game.
| 
Sewer Milkshake
|
| 40
| You need to complete level 24 or higher of the Sewer Cleaner mission.
|
185,000MP
|
| 41
| You need to buy an item from the Gourmet Mutant Food Shop.
| 
Sewer Struggle Plushie
|
| 42
| You need to complete level 26 or higher of the Sewer Cleaner mission.
|
190,000MP
|
| 43
| You need to complete 400 or more Sewer Monster quests.
| 
Ambient Fly Buzzing
|
| 44
| You need to block 7 Pipes or more in the Pipe Dream game.
|
200,000MP
|
| 45
| You need to complete level 28 or higher of the Sewer Cleaner mission.
| 
Ball of Sewers Yarn
|
| 46
| You need to own any Bug coloured pet.
|
215,000MP
|
| 47
| You need to block 8 Pipes or more in the Pipe Dream game.
| 
Poop Stamp
|
| 48
| You need to complete the Sewer Cleaner mission.
|
220,000MP
|
| 49
| You need to complete 450 or more Sewer Monster quests.
| 
Sewers Book
|
| 50
| You need to block all 9 Pipes in the Pipe Dream game.
|
£2 AU Credits
|
