1The Game - You Just Lost!
Its origins are unclear, but it may have been created in 1977 by a Cambridge Science Fiction group trying to create a game that didn't fit traditional “game theory.” Another thought is that it was created just to annoy people; The Game has been banned on some internet forums.
1) Everyone in the world is playing The Game.
2) Whenever you think about The Game, you lose.
3) When you lose, you must announce it to the world.
How to Win: You just lost The Game.
2Armiaa - The Game a Computer Can't Win
How to Play: Two players, Gold and Silver, each have 16 pieces, consisting of different animals, starting from elephants (strongest) to rabbits (weakest) arranged however you want on your side of the chess board. The goal is to get your rabbit into your opponent's territory. Each turn consists of a move of 4 steps, but these are complicated by moves such as pushing and pulling and freezing. More information can be found here: Arimaa Wikibook
(Source 1 | Source 2 | Photo)
3Anti-Monopoly Was Subject to Lawsuit
After selling 100,000 copies of his version of the game, he received a cease and desist letter from Parker Brothers saying he was violating their trademark. Prof. Anspach decided to put up a fight and the case made it all the way to the Ninth Circuit of Appeals, where he prevailed; the Supreme Court denied to hear the case.
How to play: After his legal victory, the concept has been modified since the original. In this new version, which plays more like the original Monopoly, players choose at the start whether to be a competitor or monopolist and battle over control of the game board. You can buy it here!
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4Mao - Don't Even Ask How to Play!
This would be hilarious if you knew how to play (Photo Source)
How to play: It is often said to new players “the only rule I can tell you is this one.” To play the game you must either study the myriad of rules or deduce them as you go. Usually, no unnecessary talking is allowed and players are dealt either 3 or 7 card… Oops! I've said too much – if you want to learn more, click here!
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5Dwarf Fortress - A Lifetime Project for the Inventor
It was created in 2006 by Tam Adams who says it will take another 20 years to complete (the game is still in alpha mode) and is free to play.
How to play: Uhm, well… it's so complicated we don't really understand. Basically, it does indeed involve dwarves and you can build fortresses or go on adventures on a randomly generated world. Eventually, this world will die and the game is over. But the gameplay is apparently so fascinating it has a fervent following. Currently, there is no “help” mode, but there are plenty of tutorials for the newbie, including this one.
Download and play: http://www.bay12games.com/dwarves/ (Source | Photo)
6Game of Life - Computer-Generated "Organisms"
I give you LIFE!!!! (Photo Source)
How to play: The game takes place on an infinite 2 dimensional grid. Spaces are either “alive” or “dead” and each second of the game:
1. Any live cell with fewer than two live neighbors dies.
2. Any live cell with two or three live neighbors lives.
3. Any live cell with more than three live neighbors dies.
4. Any dead cell with exactly three live neighbors becomes a live cell.
From there, unique patterns begin to emerge and it is impossible to know their outcome from their beginning state.
Or watch some “organisms” created by the game:
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7Clicks to Hitler Game - How Many Will it Take YOU?
How to play: Two or more players start on the Wikipedia home page and click Random Article. From there, the player who uses the fewest clicks from the resulting article to Adolf Hitler's Wikipedia page is deemed the winner.
8Mornington Crescent - Nonsense British Game
Rules: In spite of having the appearance of being a sophisticated strategic game, essentially, there were no rules, except that players must take turns speaking the name of a British landmark, street, or tube station. The first person to exclaim “Mornington Crescent” wins!
Listen to an episode here:
9Weird Flash Games - Just Because We Love You
How to play: Visit http://www.weirdgames.co/ and pick your game!