Here is the full list of all 90 CESSPOOL achievements.
Meet the marginal
The zelote joins the team
Abort the experiment number 8.6
Defeat the MOLE KING in order to access the CESSPOOL
The traveler joins the team
Win your first brawl
Saving your game for the first time
Open a cardboard box
Start a new game
Arthur joins the party
Luna joins the party
Finish the game by following the neutral route.
Finish the game by following the toxic route.
Finish the game by following the weird route.
Sept joins the party
Michel joins the party
Orion joins the party
Simon joins the party
Do 99 amazing strikes
Surviving the ghost of the catacombs
Unleash an ultimate psyche for the first time
Being taken in by the jailer
The traveler went into flow for the first time
Triumph over all the circus monsters
the zelote went into flow for the first time
Get the surfboard
the marginal went into flow for the first time
Get the flying machine
Recover all the contents of the lockers in the jails
Get the 6 ultimate weapons
Hit 99 awesome strikes
A comrade has reached level 10
A comrade has reached level 20
Awesomely successful 99 psyches
Use 99 items
A comrade has reached level 30
Rescuing a falafel
A comrade has reached level 40
A comrade has reached level 50
Eliminating the icono-chivalry amalgam
Reach the tearful lagoon
A comrade has reached level 60
A comrade has reached level 70
Open the train door
A comrade has reached level 80
Defeat the full power marginal
The falafel has recovered its memory
A comrade has reached level 90
A comrade has reached level 99
Find the notebook page #1
Find the notebook page #2
Find the notebook page #3
Find the notebook page #4
Find the notebook page #5
Find the notebook page #6
Find the notebook page #7
Perform 99 dodges
Performing a stem cell injection
Hear the last words of the judge
Rehydrate the marine organism
Helping the weird guy
Unlock access to Area-B
Spend 999 salt crystals in shops
Walk 9999 steps
Collect 999 salt crystals
Reset the gear of domination
Finding the champion's bat
Finding the climax ball
Finding the wool cardigan
Finding the foreman's pickaxe
Finding the fireproof suit
Finding the wooden sword
Finding the top hat
Finding the one-way ticket
Finding the sponsored cap
Finding the resille crop top
Fining the gladiator's crown
Open the lighthouse door
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Free Lazarus
Powering the elevator
Unlock access to Area-A
Reaching the hidden monkey village
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The ancient hero went into flow for the first time
The falafel went into flow for the first time
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Defeat the fleshman