Tips:
Speed is the name of the game; if your timer runs out, you're as good as dead.
Collect your shuriken after you've thrown it to make sure you're never without the right weapon for the job.
Collect your thrown shuriken to ensure weapon readiness.
Try out each weapon as you unlock it to find the best combination to suit your play style.
As you unlock weapons, try them out to find your strongest playing style.