I've been to Gamescom six times - here's what excited me this year

Watch: BBC's Laura Cress on the floor at Gamescom in Cologne

Gamescom is the largest in-person gaming event in the world, and this year it lived up to expectations with big games on show from The Witcher 3's new expansion, to Alien: Isolation 2.

Last year over 350,000 people flocked to the halls of the Koelnmesse in Cologne, Germany to get a chance to see and play the most hotly anticipated games.

This year that number of attendees is expected to have been even bigger, with the likes of Xbox and Sega showcasing games to the public alongside indie studios with only one or two developers.

This was my sixth time attending Gamescom, which never fails to make me excited about the games industry. Here are a few of the big things I got to check out this week.

Gamers will once again play as the gruff-voiced Geralt of Rivera in the new The Witcher 3 expansion

When CD Projekt Red announced it was making a new expansion for the hugely popular action-role playing game The Witcher 3, it came as a shock.

The original, after all, came out 11 years ago.

Yet it was clear sitting in the crowd for Opening Night Live on Tuesday that there's still a lot of love for the older game. There were gasps and audible shouts of joy when the team announced they were providing a free upgrade to the original.

As for the expansion, Songs of the Past will follow the gruff-voiced protagonist Geralt in an adventure discovering more about the past of his close friend Dandelion.

Doug Cockle, who voices Geralt, told me it was a "thrill" to return as The Witcher.

"I love this character so much...it's like slipping into a warm bath, or putting on an old pair of shoes," he said.

Doug Cockle, who plays Geralt, out of his Witcher uniform, alongside Laura Cress

From what I got to see, it's clear choice will once again be front and centre of the player's experience, with lots of options to choose from in how to react to people.

For those hoping to take their time tossing a coin to their Witcher, the head of co-developer Fool's Theory Jakub Rokosz told me this expansion would be "on par with the size" of previous additions such as Blood and Wine and Hearts of Stone.

Alien: Isolation 2 is the long-awaited sequel to Horsham-based Creative Assembly's 2014 survival-horror game.