Valve cancels Artifact 2.0, makes existing versions free - Polygon
Valve bringing 'Artifact' card game to iOS as company's first mobile title using the Source 2 engine | AppleInsider
Valve's New Game: Artifact - First Look - GameSpot
Here's how 'Artifact 2.0' might work | PCGamesN
How Artifact became Valve's biggest failure | Eurogamer.net
Tom Marks on Twitter: "I am currently at Valve playing Artifact. It is an extremely unique and fun take on a digital CCG! Valve still seriously know how to make games. Also
Artifact on Steam
Valve Artifact Dota 2 Card Game No Longer In Development - SlashGear
Artifact - 7 Minutes of Exclusive Gameplay | Valve's New Card Game - YouTube
Artifact (video game) - Wikipedia
I Just Started Playing Artifact And I'm Already Tempted To Spend Money
Artifact' Isn't a Game on Steam, It's Steam in a Game
Valve ceases development on its 'Dota 2' card game 'Artifact,' making it freeware – GeekWire
Valve has cancelled Artifact 2.0, Artifact Classic goes free to play
Artifact (video game) - Wikipedia
Artifact Review - IGN
Valve has ended development on Artifact - The Verge
Artifact on Steam
Artifact' is an immensely deep game with tons of replay value - Variety
Artifact Review | TechRaptor
Valve is making plans to reboot its failed Dota 2 card game Artifact | VG247
Artifact - Valve Developer Community
Artifact guide | PC Gamer
Valve ends development on Artifact | VentureBeat
Valve ceases Artifact development and makes the entire game free
What's up with Artifact's monetisation? | PC Games Insider
Artifact review: Can Valve play their cards right?