Videogame Previews (Videos, 1991-2008)
You can watch almost 2200 promo videos, including a ton not originally available to the public, here.
Wonder Woman's Lasso of Truth - six segments (Video, 1998)
Some of Warner's greatest secrets revealed. You can watch it here.
Round the Bend! (In-browser, ZX Spectrum/C64, Wisemen Productions Ltd. & Impulze, 1991)
You can play this game based on a children's TV puppet-and-cartoon show here.
If in-browser emulation isn't working again yet, you can also play the ZX Spectrum version here by clicking one of the 'QAOP' or 'JSSpeccy' links under 'MAIN FILE DOWNLOADS'.
Elastic Reality Introduction/Tutorial VHS (Video, ASDG Inc, 1993)
You can watch it here. If the video player isn't working, you can download it under 'DOWNLOAD OPTIONS'. (The .ogv file is audio only.)
Yahoo Directories (Website, 1994-2014)
You can use it to explore the old internet via the Wayback Machine here - don't forget to use the timeline. Alternatively, you can use the more convenient directory archive at Old'avista, scraped from Yahoo's directories in various years, and which links to the Internet Archive by default. Old'avista also has a search engine.
The Centre for the Easily Amused (Website, 1996-2001)
A must for any bored time traveler! You can visit it via the Wayback Machine here. Mouseover buttons to see what they do - the Links section and its subsections' archives are particularly useful.
The Angry Corrie (Zines, 1991-2011)
The first Scottish hillwalking fanzine. Included a comic as a regular feature. You can read it all here.
Fark (Website, 1999 onward)
You can view past versions of the site via the Wayback Machine here.
Worlds of Power: Blaster Master (Book, Peter Lerangis aka A.L. Singer, 1990)
You can download it here (as WorldsOfPower-BlasterMaster1990.epub).
The game was treated as canon by the PS1 game Blaster Master: Blasting Again; the author would not discover this until being interviewed about the book over twenty years later.
Star Warped (Windows, Luminare Multimedia & WayForward Technologies, 1997)
Pyst (Windows, Parroty Interactive, Bergman-Stallone & Entasis, 1996)
You can download this infamously short Myst parody starring John Goodman here, or download it packaged to run on modern versions of Windows here.
Here's a full longplay video of Pyst, including the included novelty song and making-of featurette:
And here's a video of the demo of the never-released sequel: Driven: