Here is the full list of all 90 CESSPOOL achievements.
Get the surfboard
Finding the resille crop top
The falafel has recovered its memory
Defeat the full power marginal
Rehydrate the marine organism
Reach the tearful lagoon
Eliminating the icono-chivalry amalgam
Spend 999 salt crystals in shops
Collect 999 salt crystals
Rescuing a falafel
Recover all the contents of the lockers in the jails
Being taken in by the jailer
the marginal went into flow for the first time
Surviving the ghost of the catacombs
Hit 99 awesome strikes
The traveler went into flow for the first time
the zelote went into flow for the first time
Meet the marginal
The zelote joins the team
Abort the experiment number 8.6
Saving your game for the first time
Defeat the MOLE KING in order to access the CESSPOOL
The traveler joins the team
Win your first brawl
Open a cardboard box
Start a new game
Finish the game by following the neutral route.
Finish the game by following the toxic route.
Finish the game by following the weird route.
Luna joins the party
Arthur joins the party
Sept joins the party
Michel joins the party
Orion joins the party
Simon joins the party
Do 99 amazing strikes
Unleash an ultimate psyche for the first time
Triumph over all the circus monsters
Get the flying machine
Get the 6 ultimate weapons
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
A comrade has reached level 40
A comrade has reached level 50
A comrade has reached level 60
A comrade has reached level 70
Open the train door
A comrade has reached level 80
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
Helping the weird guy
Unlock access to Area-B
Walk 9999 steps
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
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