A whole bunch of Xbox LIVE Arcade games from now bankrupt Midway Games have vanished. The games, oddly, remain on Sony's PlayStation Network.
The Midway games that have disappeared include Cyberball 2072, Defender, Gauntlet, Joust, Root Beer Tapper, Smash TV, Paperboy and Ultimate Mortal Kombat 3. As deal site CheapAssGamer points out, these games are still available for purchase via Amazon. It is unconfirmed whether those codes will work or not.
To be fair, Midway's bankruptcy has most likely made a mess of the company's back catalogue. This could very well be fall out from that.
Kotaku has reached out to Microsoft for comment.
Update: According to a Gamerscore blog entry, it is possible download these titles again if you have purchased them before they were delisted. More info here.