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