Team Fortress 2
Portal
Garry's mod
Left 4 Dead
100

What's the guy called that heals other classes?

Medic

100

Who is the protagonist of the portal games?

Chell

100

What is the weapon that shoots arrows called?

crossbow

100

Who are the main characters in the first game?

The characters are Bill, Francis, Louis and Zoey. 

200

How many classes are there in team fortress 2?

There are nine classes in tf2

200

How many portal games are there?

There are two portal games. Portal and Portal 2

200

What kind of game is Garry's Mod?

It's a sandbox game

200

How many endings are there in left 4 dead in total?

There are four endings.

300

When was team fortress 2 released?.

Tf2 was released the 10th of October, 2007

300

Who is the villain of Portal?

It's GLaDOS

300

What are "addons" in Garry's Mod?

"Addons" are basically mods. But you can get them from the push of a button from the workshop.

300

What is the infection that can cause death immediately?

The witch

400

what weapon does the medic use to hit enemies to build a ubercharge?

The ubersaw

400

Who is GLaDOS voice actor?

Ellen Mclain

400

What engine does Garry's Mod use?

The source engine

400

How many specific infections are there in total in The left 4 dead games?

There are eight.

500

Who are the designers of team fortress 2?

Robin walker and John Cook

500

What famous package of games was Portal released in? (Hint: Box)

The orange box

500

What company is the creator of Garry's Mod?

Facepunch Studios 

500

What can the jockey do?

The jockey can jump onto the survivor and cling onto their back and claw at their face while steering the survivor.