One common area where breaking UX/UI norms can be beneficial is in creating a sense of mystery and discovery. Imagine a game where the objective isn't immediately obvious, or where the controls are intentionally cryptic at first - like TUNIC as an example. This can foster a feeling of exploration and reward players for experimentation and problem-solving. For example, the early days of adventure games often featured obtuse puzzles with little to no in-game guidance. While frustrating for some, this forced players to think outside the box, share solutions, and ultimately feel a greater sense of accomplishment upon figuring things out. Similarly, intentionally vague item descriptions or map layouts can encourage players to meticulously explore the game world and piece together information.

Another instance where "bad" UX/UI can enhance gameplay is in creating a deliberate sense of difficulty or tension. Think of survival horror games where limited inventory space forces agonizing decisions about what to carry, or where a cluttered interface adds to the feeling of panic in a stressful situation. These design choices, while counterintuitive in most applications, actively contribute to the desired emotional response in the player. The clunky controls in early survival horror titles, often criticized for their lack of precision, actually amplified the feeling of vulnerability when facing terrifying creatures. The struggle to aim and react became part of the core gameplay loop, increasing the stakes of each encounter.
Ultimately, the decision to deviate from standard UX/UI practices in game design must be deliberate and serve a specific purpose related to the intended player experience. It's not about being arbitrarily difficult or frustrating; rather, it's about strategically employing elements that might be considered negative in other contexts to create unique challenges, foster a sense of accomplishment, or enhance the game's atmosphere. When executed effectively, these intentional "flaws" can transform a game from simply playable to truly engaging and memorable, proving that sometimes, breaking the rules is the most creative and rewarding path.
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