Designing arcade games for high-score competition presents unique challenges that require careful consideration to ensure player engagement and fairness. One major challenge is balancing difficulty—games must be challenging enough to reward skill but not so hard that they frustrate players. Another issue is ensuring fairness, as mechanics like random elements or exploits can undermine competition. Additionally, maintaining long-term player interest is tough, as repetitive gameplay can lead to boredom. Finally, designing a clear and motivating scoring system is critical to drive competition. Addressing these challenges is key to creating successful high-score arcade games.