An unlikely pair bonded mostly by critical acclaim and a mutual publisher, 2K Boston and Australia's narrative-driven shooter BioShock will soon be sold in a bundle alongside the standard edition of Bethesda's open-world fantasy RPG The Elder Scrolls IV: Oblivion. Publisher 2K Games announced the package today, boasting that the games have a "combined bounty of more than 80 Game of the Year awards."

The "BioShock & The Elder Scrolls IV: Oblivion Bundle" arrives at North American retailers on July 7, with the Xbox 360 edition going for $39.99 and the PC release at $29.99.

As expected, three more Bethesda-published PC titles were today released on Valve's digital distribution platform Steam, with each game sporting a one-week 20% off sale.

Bethesda's open-world fantasy RPG The Elder Scrolls IV: Oblivion comes in two flavors, a now-$16.79 Game of the Year Edition and a now-$19.99 Deluxe GOTY edition that includes every bit of downloadable content Bethesda released for the game.

Meanwhile, Bethesda's The Elder Scrolls III: Morrowind currently goes for $11.19 in a GOTY pack that includes the Bloodmoon and Tribunal expansions. Bundles packing both Oblivion and Morrowind are also available at $25.19 (GOTY) and $28.19 (Deluxe).

Last, but not least, Headfirst's horror-themed action-adventure title Call of Cthulhu: Dark Corners of the Earth can now be had for $11.19. Thanks to Alias for the tip.

More PC titles from Fallout 3 publisher and developer Bethesda are heading to Valve's digital distribution service Steam.

Bethesda's The Elder Scrolls III: Morrowind - Game of the Year Edition and The Elder Scrolls IV - Game of the Year Edition + Downloadable Content were listed alongside the Headfirst-developed, Bethesda-published Call of Cthulhu - Dark Corners of the Earth in an ad.

While that advertisement, noticed by Gamer Limit, has since been removed from the Steam Update pop-up, it is still hosted on the Steam servers.

No word as to when the two Elder Scroll RPGs and the "first-person horror" of Cthulhu will hit the service, though they'll apparently be part of a 20% off sale upon their debut.

Bethesda is offering 50% off all Oblivion's Xbox 360 downloadable content to celebrate the third anniversary of its first DLC release--with one notable exception.

As a delightful April Fools' Day escapade, the infamous and much-maligned Horse Armor Pack will cost twice as much. If you hated the idea before, you'll love it now.

The discounts will run for the next week and range from a teensy 40 Microsoft Points off the Spell Tomes pack to a giant 1200 Point saving on the Shivering Isles expansion.