Ashes of the Singularity: Escalation is free in the Humble Store Spring Sale

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The Humble Store's Spring Sale is now underway, with discounts of up to 90 percent on more than 4000 games—and 100 percent on one of them. The sci-fi RTS Ashes of the Singularity: Escalation is free for the taking until Sunday.

To claim your free stuff, point yourself here and click the appropriate button. You'll need to sign up for the Humble Newsletter, if you haven't already; with that taken care of you'll be given a Steam key for your efforts. Note that while the game is free to keep forever after you've claimed it, the keys themselves have a relatively short expiry date of May 14, so be sure to activate it right away.

Even setting aside the fact that it's free, Ashes of the Singularity: Escalation is worth your time. It's a standalone expansion to the 2016 RTS Ashes of the Singularity, which we liked quite a bit, even though the maps and story left us flat. Escalation improves on the original considerably, with new units, interface changes, and a better campaign. In 2017, Stardock "merged" Escalation into Ashes of the Singularity, and discontinued the base game.

Ashes of the Singularity: Escalation is free on the Humble Store until 10 am PT/1 pm ET on May 10. The Humble Store Spring Sale is on until May 21.

Andy has been gaming on PCs from the very beginning, starting as a youngster with text adventures and primitive action games on a cassette-based TRS80. From there he graduated to the glory days of Sierra Online adventures and Microprose sims, ran a local BBS, learned how to build PCs, and developed a longstanding love of RPGs, immersive sims, and shooters. He began writing videogame news in 2007 for The Escapist and somehow managed to avoid getting fired until 2014, when he joined the storied ranks of PC Gamer. He covers all aspects of the industry, from new game announcements and patch notes to legal disputes, Twitch beefs, esports, and Henry Cavill. Lots of Henry Cavill.