Just a few moments ago GOG have announced it: the Big Fall Sale has begun.

It will last until November, 15th and promises discounts up to 90%. If you even manage to spent a total of $30 (or more) in this timeframe, you can get up to three games (incl. Banished) for free!

But read for yourself, here is the cite from their Website:

350+ daily deals and bundles up to -90%. Free games to unlock. Fuzzy squirrel on the front page.

On time for Halloween a new Humble Weekly Bundle: Day of the Devs has been released.

For Linux there are this time six very good games on board:

• Grim Fandango Remastered
• Massive Chalice
• Mercenary Kings
• Costume Quest
• Hack'n'Slash
• Escape Goat 2

The Steam Halloween Sale 2015 has begun!
It lasts until 02.11.2015.

The Humble Jumbo Bundle 5 has been released.

It includes the recently for Linux released Multiplayer-Shooter Insurgency and the "Conquer-Update".
Besides that, there is nothing else for Linux in this Bundle.

Vertiginous Golf, a steam-punk themed minigolf-game, is currently available free of charge on Steam.

If it's a temporary campaign, or even an error, is currently unknown

So: get it while you can... :-)

Chaos Reborn, a turn-based strategy-game from the designer of the original X-Com, ist now available for Linux on Steam.

Description:

From the designer of the original, award-winning XCOM game comes Chaos Reborn - a fast paced, turn-based wizard combat game with strategic Realm Quests. Blob your enemies with Gooey Blob, summon entire forests of Shadow Trees, or ride a Manticore into battle. Be a wizard hero!

Mu Complex, another "Hacking-Game" like Uplink, Hacknet, or Hacker Evolution, is now available for Linux on Steam.

Especially interesting: you'll use real life Linux terminal commands.

Description:

Play as a hacker and take control of an ultra secret company to reveal the darkest secrets. But beware, you seem not to be alone and what you will discover could change the world...

Featuring a fulfilling storyline, will you save Lya?