Tomb Raider, one of the successful games in the long-running Tomb Raider game franchise, currently has a 50% discount at The Feral Store from May 18 – 25, 2018. Feral Interactive earns more money if the game is bought directly from their own digital store. You can buy from them directly if you want to support cross-platform PC gaming. For those who are not familiar with Feral Interactive, they are the game developer who brought a lot of great games on Linux such as F1 2017, Rise of the Tomb Raider, Mad Max, and Middle-earth: Shadow of Mordor.
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Get 67% discount on Rise of the Tomb Raider at Humble Store
You’ll receive a Steam game code when you purchase a game from The Feral Store and Tomb Raider supports Steam Play which means you only purchase the game once and it can be played on Linux, macOS, and Windows. I have already bought games from The Feral Store a couple of times using my credit card and I did not have any problems with it. They will also send through e-mail an official receipt and a copy of the Steam game code for easier tracking of your purchase.
Related readings:
Newbie Friendly Guide to Using Linux for Gaming
Milestones of Linux as a Gaming Platform