Arcade game manufacturers carefully craft difficulty in time-attack modes to maximize player engagement and replayability. They start by analyzing player data to set baseline challenges, ensuring the mode is accessible yet demanding. A key approach involves pacing: initial levels are easier to build confidence, while later stages introduce tighter time constraints and complex obstacles to test skills. Dynamic difficulty adjustments may be used, where the game subtly alters enemy patterns or resource availability based on player performance, preventing frustration without compromising the competitive edge. Playtesting is crucial, with developers iterating on feedback to fine-tune timers and hazards. Ultimately, the goal is to create a "flow state" where players feel motivated to improve their scores, fostering a sense of achievement and driving repeat plays. This balance keeps time-attack modes exciting and rewarding for both casual and hardcore gamers.