Ability timing
Use abilities when they solve a specific route problem instead of pressing them on cooldown.
- Use them for book clusters.
- Use them when travel is the bottleneck.
- Use them after the current shelf is known.
- Do not waste them before reading.
- Do not rely on them for Pro Mode habits.
Upgrade thinking
Without an official upgrade stat table, the safe public advice is to buy for the bottleneck you can see.
- If walking is slow, improve route movement.
- If mistakes are frequent, improve reading and sorting first.
- If co-op is messy, assign jobs before buying around chaos.
- If speed badges are the goal, cut travel before chasing raw pace.
- If Grand Library is the goal, practice smaller zones first.
Co-op use
The official page confirms cleanup alone or with friends, so role split matters.
- One player reads shelves.
- One or two carry nearby books.
- One cleans uncertain stacks.
- Avoid everyone chasing the same shelf.
- Call the current zone out loud.