Angry Birds Opera

Angry Birds is a 2009 physics-based casual puzzle video game developed by Finnish video game developer Rovio Entertainment. Players control a flock of multi-colored birds on a mission to rescue their eggs from green-colored pigs. Using a slingshot, they launch the birds at these pigs stationed in or around different structures. The goal is to eliminate all the pigs on each level with a limited number of birds.

Angry Birds Kingdom is an upcoming game advertised by Rovio Entertainment on Facebook.

The Pigs are back to their old tricks, and it's up to you to stop them! Playing as Red, Chuck, Bomb, and other members of The Flock, your mission is to rescue your friends, save the eggs, and stop the pesky Pigs' grand plans. With each rescued bird, you'll unlock a new playable character with unique skills to help you pop more Pigs and topple more towers!

Classic Slingshot Action! The world’s most famous flock has returned in a new version of the mobile game that took the world by storm. Join Red, Chuck, Bomb, Silver and the rest of the gang for classic slingshot action that will please fans of all ages. Angry Birds Reloaded features familiar physics-based gameplay from the original game - now remastered with visual enhancements, new characters, and plenty of destruction! King Pig and his minions have stolen the eggs again and the birds will stop at nothing to get them back! Life on the island will never be the same now that the Angry Birds must face off against both Pigs AND Eagles from the Angry Birds movies in a battle to save their eggs and their home.

Rolypolys no Sekai Daibōken a 1997 point-and-click adventure game developed by OutSide Directors Company and published by Shinko Music Entertainment. It is the sequel to Rolypolys no Nanakorobi Yaoki, which released eight months prior.

Gangnam Style Massacre was a mobile game released in 2012. The game is based on the PSY song "Gangnam Style", which was at the time the most viewed YouTube video of all time. In the game, you play as a school girl who is equipped with a bow and arrow and your goal is to break the vase on top of PSY's head. On December 14th, 2012, the game was reworked into a completely different game called Gangnam Dance School. This was due to the developer fearing the title and setting on the game was too similar to the Sandy Hook Massacre. For the following 10 years, the game was considered lost media, until it was later rediscovered on June 18th, 2022 by computerdude77. The game is now downloadable again on the Internet Archive.

The Incredible Hulk was supposed to be a video game created by toy and game manufacturer Parker Brothers in 1983 for the Atari 2600. The release of The Incredible Hulk was scheduled for Autumn 1983. However, this period coincided with the video game crash of 1983 (following E.T.'s release in December 1982). During this crisis, numerous companies, including Parker Brothers, opted not to launch games that had already been developed for the Atari 2600. Consequently, The Incredible Hulk was never made available to the public.

Yeah Yeah Beebiss I is a rumored lost game for the NES that was first mentioned in the June 1989 listing for mail-order video game service, Play It Again, where it would reappear until September before being removed from the listing and then show up on another mail-order video game service known as Funco. There's no known information about the game other than it's title, however there are various theories to the game, from it being a mistranslation of a Japanese game, with the most popular theory for this one being the game Rai Rai Kyonshis: Baby Kyonshi no Amida Daibouken, to the game being a copyright trap made up to spot other magazines who were copying them. As of 2022, none of them have been confirmed.

Wobbuffet's Puzzle Pack! was a Flash game on Pokémon.com. It was a jigsaw puzzle where the player put togther Pokémon-related images.

A free 2001 advergame for members of the "WD-40 Fan Club". Largely forgotten about until 2022, when someone posted about it on the r/lostmedia subreddit, and a copy was located on the wayback machine.

Kirby Star Ride is a Flash game made by 4Kids as a promotion for Kirby: Right Back at Ya!. The game was only up for 1 year before being delisted from the website. The game is currently lost, with 0 information about the game surviving online apart from it's existence.

Baby Shaker was a controversial iOS game released on April 20th, 2009, where you shake your iPhone to stop a crying infant until two X marks appear on their eyes. The game was pulled from the App Store two days later, after it was noticed by the review site KRAPPS and later picked up by other news sources and non-governmental organizations related to Shaken Baby Syndrome who were outraged, with a spokesperson from Apple stating that "this application was deeply offensive and should not have been approved for distribution on the App Store".

On the website for the video game Harry Potter and the Order of the Phoenix there was plans for a promotional mini-game to be released alongside it. The game was labeled as coming soon under the "Mini-Game" tab on the official website for the game, however was never released. No details of the game were ever released and it is uncertain what the contents of the game were to be, apart from the game being built in Adobe Flash based on the link being labeled as "flashgame" within the site's HTML code.