planet of lana 2 children of the leaf

About 5–6 hours for a single playthrough — short enough that some players finish it in one sitting. Reviewers consistently note the runtime is tightly paced rather than padded, though a recurring critique is that some emotional beats would benefit from more breathing room. It's a cinematic adventure first, not a content-heavy game, so judge it by whether the 5–6 hours land for you — not by hour-per-dollar metrics.

Source: GameSpot review

No — most reviewers describe the difficulty as flawlessly pitched: enough thinking to engage your brain without ever requiring a walkthrough. The puzzles emphasize observation and cooperation between Lana and Mui rather than logic-heavy mechanical complexity, and you can usually solve them by experimenting with what each character can reach. Players who hate brain-melter puzzle games tend to enjoy this one; players who want hardcore logic puzzles may find it too gentle.

Source: TheSixthAxis review

Not strictly. The sequel includes an opening recap cutscene that catches new players up on the first game's events, and the developers built it to be playable as a standalone experience. That said, returning players will catch emotional weight that newcomers won't — the bond between Lana and Mui has more impact if you played the first game's solo journey. If the first game is on your wishlist, play it; if you're undecided, you can start with II without losing the plot.

Source: Wikipedia — Planet of Lana II

Lana and Mui start the game together, so cooperative puzzles are the core mechanic from minute one — not introduced midway like in the original. Mui can now be directed independently across the screen (climb vents, fetch items), Lana gains agility and can dive underwater, and many puzzles require switching control between them. The first game's solitary feel is replaced with a constantly-shifting partnership puzzle structure.

Source: Noisy Pixel review

Not much by design — Planet of Lana II is structured as a 5–6 hour cinematic adventure rather than a content-heavy game. There's no New Game Plus or branching paths surfaced in reviews, and the experience is built around a single complete playthrough with optional chapter-select for revisits. Replay value comes from coming back for the visuals, the wordless storytelling (all dialogue is in a fictional language), and the soundtrack — not from mechanical post-game content.

Source: TheGamer review