Difference between revisions of "Berlin Interpretation"
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Movement, battle and other actions take place in the same mode. Every action should be available at any point of the game. Violations to this are ADOM's overworld or
Movement, battle and other actions take place in the same mode. Every action should be available at any point of the game. Violations to this are ADOM's overworld or 's and Crawl's shops.
Revision as of 02:09, 1 September 2011
This definition of "Roguelike" was created at the International Roguelike Development Conference 2008 and is the product of a discussion between all who attended. The definition at http://www.roguetemple.com/roguelike-definition/ was used as the starting point for the discussions. Most factors are newly phrased, new factors have been added, some factors have been removed.
"Roguelike" refers to a genre, not merely "like-Rogue". The genre is represented by its canon. The canon for Roguelikes is ADOM, Angband, Crawl, Nethack, and Rogue.
This list can be used to determine how roguelike a game is. Missing some points does not mean the game is not a roguelike. Likewise, possessing some points does not mean the game is a roguelike.
The purpose of the definition is for the roguelike community to better understand what the community is studying. It is not to place constraints on developers or games.
High value factors
Random environment generation
The game world is randomly generated in a way that increases replayability. Appearance and placement of items is random. Appearance of monsters is fixed, their placement is random. Fixed content (plots or puzzles or vaults) removes randomness.
You are not expected to win the game with your first character. You start over from the first level when you die. (It is possible to save games but the savefile is deleted upon loading.) The random environment makes this enjoyable rather than punishing.
Each command corresponds to a single action/movement. The game is not sensitive to time, you can take your time to choose your action.
The world is represented by a uniform grid of tiles. Monsters (and the player) take up one tile, regardless of size.
Movement, battle and other actions take place in the same mode. Every action should be available at any point of the game. Violations to this are ADOM's overworld or Angband's and Crawl's shops.
The game has enough complexity to allow several solutions to common goals. This is obtained by providing enough item/monster and item/item interactions and is strongly connected to having just one mode.
You have to manage your limited resources (e.g. food, healing potions) and find uses for the resources you receive.
Even though there can be much more to the game, killing lots of monsters is a very important part of a roguelike. The game is player-vs-world: there are no monster/monster relations (like enmities, or diplomacy).
Exploration and discovery
The game requires careful exploration of the dungeon levels and discovery of the usage of unidentified items. This has to be done anew every time the player starts a new game.
Low value factors
Single player character
The player controls a single character. The game is player-centric, the world is viewed through that one character and that character's death is the end of the game.
Monsters are similar to players
Rules that apply to the player apply to monsters as well. They have inventories, equipment, use items, cast spells etc.
You have to learn about the tactics before you can make any significant progress. This process repeats itself, i.e. early game knowledge is not enough to beat the late game. (Due to random environments and permanent death, roguelikes are challenging to new players.) The game's focus is on providing tactical challenges (as opposed to strategically working on the big picture, or solving puzzles).
The traditional display for roguelikes is to represent the tiled world by ASCII characters.
Roguelikes contain dungeons, such as levels composed of rooms and corridors.
The numbers used to describe the character (hit points, attributes etc.) are deliberately shown.