For those aiming for faster completion times and higher ranks, consider these tips:

- Route Optimization: Plan your route to minimize backtracking. Know exactly where key items are and the most efficient path between objectives.
- Ammo Conservation: Only kill enemies that are absolutely necessary. Run past most zombies. Use the knife on downed enemies to save bullets.
- Dodge Mastery: Perfect dodges are essential for avoiding damage and maintaining momentum without stopping to heal.
- Live Selection Impact: Understand how each Live Selection affects your route and choose the option that leads to the quickest progression.
- Item Box Management: Only carry what you need. Deposit key items as soon as they're used to free up inventory space.
Practice specific sections and boss fights to execute them flawlessly. Every second counts in a speedrun.