Pokémon Legends: Z-A typically takes about 22 to 25 hours to complete the main story campaign if you focus primarily on the main missions. For a casual playthrough with some side quests, expect around 25 to 30 hours. Completionists who want to do all side quests, fill the Pokédex, and unlock all Mega Evolutions can spend 70 to 80 hours or more in the game. The game is set entirely in Lumiose City, which is relatively compact compared to other Pokémon game regions, making the gameplay length shorter than some mainline entries that take 30 to 40 hours or more to finish. In summary:

• Main story: approx. 22–25 hours
• Story + some side quests: around 25–30 hours
• Full completion: 70–80+ hours

These gameplay lengths depend significantly on how much time you spend on exploring, battling, and completing side content, with post-game missions adding even more hours if desired.