Here is the full list of all 100 Gremlins, Inc. achievements.
Qualify for the League of Oligarchs.
Light up 3 lamps in the challenge "A Training Session".
Build "The Automated Helper" while playing as the Manager.
Build "Perpetuum Mobile" while playing as the Engineer.
It's quite possible that treasureseeking may become a new kind of gremlin sport.
Build "The Treasureseeker" while playing as the Collector.
Build "The Recycler" while playing as the Pauper.
Play 100 sessions.
Light up 3 lamps in the challenge "Gremlined!".
Money, money, money!
Win a session while having zero malice.
Win a session playing as The Damned.
Build "The Armageddon Clock" while playing as the Damned.
Win a session with 66 malice or more.
Win a Chaos Quest session.
Achieve jail rank "The Don".
In the course of one session, send to your opponents 6 Misfortunes (by playing action cards).
Play 6 cards in one turn (cards used for movement do not count).
Play 5 cards in one turn (cards used for movement do not count).
In the course of one session, earn $1.000 or more from taking bribes.
Accumulate 33 votes or more.
Play at least 10 criminal cards in one session.
Activate "The Destroyer".
Have $3.000 (or more).
Earn 100 score points or more in one session.
Oftentimes, one must keep a lot of things in secret in order for one's honesty to become fully appreciated.
Play 6 cards in the Astral Plane during one session.
Win the Auction by paying no more than $70.
In the course of one session, play 9 cards in the Inferno.
Have both "Lucky Dice" and "One-armed Bandit" cards active while playing as the Gambler.
I'm not a tyrant, I'm just being fair.
The first rule of the secret achievement is: do not talk about the secret achievement.
Win a team session.
This gamble wasn't easy, but luckily it paid off!
Get recommended by at least 50 other players.
Win a session playing as The Merchant.
Build "The Accelerator" while playing as the Merchant.
Light up 3 lamps in the challenge "For the Good of the People".
Light up 3 lamps in the challenge "A Secret Assignment".
Light up 3 lamps in the challenge "Respecting Unexpected Inspections".
Participate (as a player) in a session attended by 3 or more spectators.
Build "A Secret Project" while playing as the Secret Agent.
Have 6 permanent cards active at the same time.
Raise your income to $100 or higher.
Build "The Automated Accountant" while playing as the Banker.
Win a session playing as The Secret Agent.
Create an item using a blueprint.
Add 10 items to your collection.
Rob the Bank while playing as the Thief.
The devil didn't get much, but who cares?
Qualify for the League of Governors.
Win a session playing as The Gambler.
Win a session playing as The Manager.
Playing with at least 3 opponents, become the only player not currently in the Jail.
Win a session playing as The Prosecutor.
"A passion for work is a rather rare mental disorder" (from The Gremlin Dictionary).
Swap places with a player who is 1-2 spots away from reaching the Astral Plane.
Play in a session with a mod of the game (available via Steam Workshop).
Win a session playing as The Thief.
Beauty, as you know, requires sacrifice... Preferably a sacrifice made by your competitors.
Win 3 multiplayer sessions in a row.
Participate in a tournament.
Play 10 sessions.
Qualify for the League of Deputies.
Win a session playing as The Engineer.
Win a session playing as The Politician.
Build "An Automated Bureaucrat" while playing as the Prosecutor.
Play 4 cards in one turn (cards used for movement do not count).
Run, gremlin, run!
Send a Misfortune to another player by paying insurance on the Risk spot.
Win 1 multiplayer session.
Qualify for the League of Politicians.
Win a session playing as The Banker.
Send an opponent to jail through Player Conflict by paying no more than $1.
Play one of the Chaos Cards.
Convert an in-game item into charges.
In the course of one session, visit every location in the game.
Win a session playing as The Pauper.
Play 3 cards in one turn (cards used for movement do not count).
Win a session for 20 score in 30 rounds or less.
While playing a session for score, win with 6 score more than is necessary for the victory.
Win a session playing as The Collector.
Rest in the Astral Plane.
Win the Elections.
Send an opponent to the Jail by discovering a criminal card on their hand.
In the course of one session, have your opponent(s) arrested through Player Conflict at least 10 times.
Light up 3 lamps in the challenge "Just Business".
Light up 3 lamps in the challenge "An Engine of Progress".
Light up 3 lamps in the challenge "Gold Rush".
Win 6 multiplayer sessions in a row.
Win in a multiplayer session against 5 human players.
Join a session by accepting an invitation from a friend.
Light up 3 lamps in the challenge "A Box of Secrets"
Build "The Astral Elevator" while playing as the Politician.
Light up 3 lamps in the challenge "The Mad Clockmaker".
Destroy 6 or more active permanent cards of other players in a single session.
Have a total game time of no less than 256 hours on any of the servers.
Participate (as a player) in a session attended by 9 or more spectators.
As a spectator, watch 10 sessions until the end.
As a spectator, watch 30 sessions until the end.