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[In this article, Westwood College faculty member and trained architect Christopher Totten explores how human psychology is understood by architects, how that can apply to level design, and explores games that use these techniques effectively.]
What is the difference between a good game level and a bad game level? According to American writer and philosopher Robert M. Pirsig, "quality" is indefinable, yet we have intuitive knowledge of its existence. If something is good, and therefore of high "quality", we invariably know it -- whether or not we can give a textbook definition of what makes it good.
Therefore with our game levels, as with anything in design: if the level is good, gamers will know. In game design, the particular flavor of quality we hope to achieve is known as "fun". Unfortunately for us, saying that fun is indefinable doesn't quite work.
The mysterious definitions of "quality" and "fun" are something that stump many a designer: how can a game designer determine whether their level is good?
Many will answer by saying that levels must be properly playtested, but for some companies that may not occur until the game is nearly finished -- way past the stage of initial level design. So what are the guidelines of good level design that can help us conceive good experiences from the very beginning of the level design process?
Scientists and usability experts monitor pleasurable experiences by observing the brain's production of the neurotransmitter called Dopamine, which provides feelings of pleasure and motivation when released into the brain. Controlling the production of this chemical in a player is a matter of using psychological methods to design our game environments.
A level designer at Valve once stated in an interview that "experience was key" to creating game environments, and as such they began their design processes from "core mechanics", similar to the way many good game designs begin. Designing from the core mechanic, the basic action a player takes within a game, starts the designer with a sound plan. From this plan, many basic psychological tools can be employed to support the core mechanic and create a pleasurable spatial experience: reward systems, operant conditioning, Montessori Method-style interactions, visual communication methods, and numerous others.
The basis of learning these methods and applying them to level design is understanding how they became part of our own "mental wiring". Like many things that are part of how we humans operate, they evolved from our prehistoric need to survive. Architectural theorists such as Grant Hildebrand highlight how many of our concepts of what are "pleasurable" in a spatial environment trace back to our own survival instincts.
Games already manipulate these instincts, requiring players to maintain the well-being of their avatar to continue and letting near-death gameplay situations provide dramatic tension. Game environments can provide this same psychological dramatic arc and create pleasurable experiences for players. It is therefore fair to say that understanding the spatial psychology of our own survival instincts can make us better level designers.
Architecture has for centuries revolved around creating human experiences through space. It is only in the last century, with the dawn of the postmodern movement, that it has become so heavily focused on the form of the building instead of the experience of being within. Modernists understood that a building was an environment for the creation of experiences: Franco-Swiss architect Le Corbusier is famously quoted as saying, "The house is a machine for living in", while Louis Sullivan expounded, "form follows function." We can take hints from their outlooks on spatial design, especially when it comes to survival. Maslow's Hierarchy of Needs highlights physiological needs such as food, water, and shelter as the most necessary to humans.
Maslow's Hierarchy of Needs
Architecture is for creating pleasure by creating spaces that feel safe, while level design is about creating spaces that create a sense of danger that is pleasurable to battle and overcome. If to architects the house was the machine for living, the game level should be the machine for living, dying, and creating tension by exploiting everything in between. In this article, I will highlight level design strategies based on the psychology of survival and exemplified by classic gaming precedents and real-world pieces of architecture.
To better understand how to create better levels by utilizing human survival instincts, we must first understand the connection between our in-game avatar and these instincts. As far as animals go, humans are pretty lame: we have no large claws or teeth for fighting, no poisons, no scary markings, no horns, no great running ability, and no armor plating. Proportionately we are weaker than ants, which can carry hundreds of times their own body weight.
We do have one huge advantage over pretty much everything else in the animal kingdom, however: our intelligence. With this amazing ability to reason, we can craft tools and gadgets that help us do everything from hunting down a wooly mammoth for our dinner to listening to hundreds of our favorite albums during our afternoon commute.
Games take advantage of this weakness and reliance on tools by using something I like to call "the problem of the protagonist." This describes a common situation in many games where a character finds him or herself in a position of natural weakness compared to his or her enemies. This simulates humanity's own natural disadvantages against the beasts that made our pre-agricultural lifestyles a hassle.
Game avatars, by their definition, are the player's representatives in the game world, sharing their natural strengths and weaknesses. Some games even try to more concretely solidify this relationship by making these protagonists silent or allowing the player to customize their appearance. Overcoming the disadvantages these characters possess as a human's representative is a popular mechanic in many games, such as Metroid and The Legend of Zelda.
Samus Aran enhances her abilities with tools to become more powerful than her foes
Of Zelda, Shigeru Miyamoto once said that he envisioned it as a game where you began as a young boy in the forest who must gather items and become an accomplished adult. When the player has reached this stage, they can return to areas that were once threatening and feel that they are not afraid of them anymore. In the time between being the inexperienced child and being the accomplished and powerful adult, the player will feel the dramatic tension of nearly losing their (or more accurately, their character's) life many times.
In Hyrule, Zebes, and many other designed digital worlds, players find themselves in environments that act as both safe havens and dangerous wildernesses; using the dichotomy to their advantage and overcome their own disadvantages if possible.
Now that we know how games put players in the role of a simulated weak human, we can understand how the relationship of this character to its environment helps us create better levels through our own survival instincts. The first and most simple element of this relationship is the size of the space relative to the size of the player character. Like real life, the size of the space someone inhabits can generate feelings ranging from absolute comfort to crippling fear, in the case of claustrophobia. In games, the size of spaces can serve to create or alleviate tension, or set the stage for dramatic encounters. When discussing the size of game spaces, they can be split into three simple groups:
1. Narrow Space
A small enclosed space where the occupant feels confined and unable to move. These spaces create a sense of vulnerability in the player's inability to properly defend themselves. These spaces are a staple of survival horror games like Resident Evil and Dead Space, the latter featuring areas where the player must crawl through confined ventilation shafts where no weapons or items may be used while Necromorph monsters make watch the player from nearby.
Narrow hallways are a staple of survival horror games like Resident Evil
The ability for these spaces to cause tension is clear: if something happens in them the player has little or no way of escaping the threat. In a narrow passage an enemy can literally become another wall of the space, diminishing the size of the space with each approaching step. This effect can be exacerbated with enemies and games specifically designed to elicit actual fear in the player, such as zombies or predatory aliens in horror games.
2. Intimate Space
Players controlling Mario can reach everything Peach's Castle, making it a very pleasurable space to inhabit.
These spaces are neither confining nor overly large. While they can be large in overall scope, everything in the space should be immediately accessible to the player and within reach of their avatar and their inherent abilities. In a space like this, the player can feel as though they are in control, and that is the true importance of these spaces. One such example of this type of space is the hub environments of the 3D Super Mario games. In these spaces Mario can run, jump and utilize his other acrobatic moves to reach the limits of the space.
These spaces don't necessarily have to be devoid of enemies either. In Batman: Arkham Asylum, the designers wanted to utilize stealth gameplay in such a way that the player felt more powerful than their enemies. For this style of game they coined the term "predator gameplay."
One of the elements of the game that assisted in the player's feeling of power was the level of control they had over the game's environments. Even in the largest rooms of the asylum, Batman can jump and swing from the highest structural elements and maintain his vantage point above his enemies. Fitting the character of Batman, players have incredible freedom over spaces that would be overwhelming and dangerous in other games.
Players can feel as though they are Batman because they have control over their environment, giving them the ability to terrorize their enemies.
Perhaps one of the most important elements of these spaces is that they can expand over the course of a game. As players receive new abilities, such as in the previously mentioned Zelda or Metroid games, the space of intimacy becomes larger. When Samus acquires the space jump she can reach higher ledges, when Link gets the hookshot he can cross wide chasms.
3. Prospect Space
While this space is the exact opposite of narrow spaces, it produces a somewhat similar effect. Coined by architectural theorist Grant Hildebrand, Prospect Space describes a spatial condition that is wide open, within which the occupant is exposed to potential enemies. The idea that this type of space is unpleasant originates in ancient times when humans would have to cross open wilderness to reach food, shelter, and safety, facing the threat of predators and the elements. The fear of these places is called agoraphobia. The people that suffer from this disorder feel uncomfortable in open spaces with few places to hide.
In games these Prospects take on a few different forms. One type of Prospect is the Boss Room. Boss Rooms are typically wide-open places for staging elaborate encounters with strong enemies. One of the classic examples of these spaces is the Boss Rooms in the Mega Man series.
Boss Rooms in Mega Man often feature little or no elaboration or places to hide from the attacking Robot Master.
The other popular form of Prospect Space is that found in action games, where players are vulnerable to enemy fire. In games where players can exchange gunfire with one another, it's common for open areas, especially those viewable from higher elevations, to function as Prospect spaces that must be traveled through to reach goals or hiding places.
The relationship between Prospect Spaces and the hiding places that they occur between is a very important one to game designers, and it is the second important element of the human survival instinct that can educate level designers.