"After achieving top marks on the PlayStation 4, the PC release will be available on Steam and the Humble Store on Thursday, May 14th. Axiom Verge is an action-platform-exploration game in the tradition of classics like Metroid, Contra, and Blaster Master. In addition to new PC features like Steam Cloud saves and Trading Cards, it boasts over 900 screens in a massive alien world, monstrous enemies, bosses, and power-ups."

Here's the full press release:

http://www.gamasutra.com/view/pressreleases/241675/Axiom_Verge_Announces_May_14th_Release_on_PC_Steam_Humble_Bundle__PlayStation_Vita_to_Follow.php