If you want to see every outcome from every house in Fire Emblem: Three Houses, it could take you a while. A new interview with the game's director Toshiyuki Kusakihara indicates it could take over 200 hours to play through all three routes.
Speaking to French website Jeuxvideo (via Serenes Forest), Kusakihara commented on how long it took him to play through a single route in Fire Emblem: Three Houses. As it turns out, it was quite a while.
"To complete the game with just one of the three houses, it took me 80 hours," Kusakihara told Jeuxvideo. "I did not skip the dialogue or cutscenes, of course. So if you want to do the three paths, it can take you more than 200 hours."
That's quite a lot of video game, even compared to previous triple-installment games like Fire Emblem Fates. Kusakihara does specify this means he watched every cutscene and dialogue, and considering the number of side quests and activities we saw at E3 2019, that makes sense. Add on the possibility of watching all the battle animations and doing some prologue or side battles, and you can see how the hours can rack up.
The war of Three Houses is already at a massive scale, one that Intelligent Systems needed to bring on massive-scale developer Koei Tecmo to make happen. But beyond the scale of battle or side quests, the scope of time seems much greater, spanning a stretch of time (which also lets them circumvent the odd romance question) and escalating from school life to all-out war. If Fire Emblem: Three Houses is set on telling a massive epic, it looks like it's at least met the quantity requirement. We'll see if the quality side holds up when it's released later this month on July 26 for the Nintendo Switch.