A Doomworld Forum thread shared a few links about the original DOOM game. Two links were worth sharing and reading:

PCGamesN reports on how Wolfenstein 3D (Wolf3D) game came about

In Gloom Pouet BBS thread mentioned his blog on "the state of the demoscene: 1991 - 2011". It has a lot of details like graphs.

Also, Marq mentioned his Demoscene Research -- "scientific material concerning the demo culture. Demoscene Research is a collection of scientific material concerning the demo culture, also known as the scene. Major part of the page is an extensive bibliography of demo-related books, theses, articles and online material. We also maintain a list of researchers who have studied the scene. News and demo-related discussions are disseminated in the blog on the front page. There is also a related newsgroup, Demo Research, where we post the most important news so that you can read and discuss them by email..."

GameTrailers have two long retrospectives on Mortal Kombat (25 minutes and 4

Blizzard has a eleven minutes has an "extended Diablo retrospective -- This Diablo retrospective was a labor of blood, sweat, and hellfire...

Blue's News share an addicting playable game demonstration/demo. (randomized too each time you play it!) titled "The Binding of Isaac" on Free Web Arcade and its official web site, Newgrounds -- "... The Binding of Isaac is a randomly generated action role playing game (RPG) shooter with heavy Rogue-like elements. Following Isaac on his journey players will find bizarre treasures that change Isaac's form giving him super human abilities and enabling him to fight off droves of mysterious creatures, discover secrets and fight his way to safety."

Here are three/3 videos from the web site's outage/down earlier today:

G4 has a few interactive 360°/degrees (no vertical) camera videos, recorded from Electronic Entertainment Expo (E3)

Reddit (#1 and #2) mentions the released game demonstration/demo. of Portal 2 on FilePlanet and GameSpy.

Pouet mentions a shares a three minutes and 24 seconds AMD 64-bit Linux demonstration/demo. titled "Binary of Babel" by Segfault Garden -- "This is a classical-style demo that uses over 20 different programming languges to create the effects...

Blue's News shares The Scene Documentary's six parts YouTube video playlist (has some nudity artworks) showing its "Demoscene Documentary" in its entirety.

Pouet mentioned a seventeen minutes and 10 seconds Finnish YouTube video (turn on its "Transcript" option to read the English texts to go with the video) showing a "documentary episode about the world famous Finnish demogroup, Future Crew. First presented at Assembly 2010..."

/. shares a musical (musical instrument digital interface (MIDI)) nine minute and 52 seconds YouTube video on "the history of Ken Silverman's build engine"

/. shares a nine pages TenTonHammer article that explores the current state of beta testing by examining the mistakes of the past. There's something magical about being accepted into a closed beta test. Whether you're a veteran of MMOs who finally decided to jump into the testing portion of a game's development cycle or a relative virgin to the massive multiplayer online (MMO) experience that fell in love with a well-known intellectual property (IP), receiving that "You're Invited!" email from a gaming studio/publisher is like opening presents on Christmas Day. You're ready to work closely with the development team, helping them to iron out bugs and improving game systems that aren't quite up to snuff. As the new kid in the testing phase, you're prepared to formulate fantastic posts for the message boards that argue about the functionality of certain mechanics, and you expect thousands of bugs will be reported thanks to your efforts.

VideoSift (high quality/HD Vimeo) and Pouet (downloadable demo, videos, discussions/comments (downloadable MP3 of the soundtrack included), details, etc.) share RGBA's impressive tiny/4K introduction (intro.)/demonstration (demo.), titled "Elevated", for Windows.

Digg shares a funny 2.5 minutes Onion video showing the Apple's introduction to a revolutionary new laptop/notebook

Blue's News mentioned a 32 MB playable demo version of World of Goo (not Warcraft) for Windows/PC (also available for Nintedo's WiiWare).

This game is an addicting puzzle type that combines Worms (2D versions and without weapons and explosions), Lemmings, Jenga/Jumbling Tower, etc.

Pouet shares Andromeda Software Development (ASD)'s latest Windows demo titled "Size Antimatters".

Dark Roasted Blend reminds me of my college days. Here is a cartoon of those normal days.

Blue's News (with plenty of download links -- also see comments for more) says Command & Conquer 3: Tiberium Wars single player demo is finally available. It is about 1.2 GB and offers the chance to sample the latest installment in the classic real-time strategy series.