How many levels are there in Wario's Woods for the NES?

warios-woods

Solution 1:

There are 100 rounds in round mode.

Related

Which was the true release date of the original Final Fantasy game?
What does the patriotism bonus do on some of the guns?
Am I getting experience when Ryuji insta-kills the enemy?
Run Sonic Heroes on modern graphics
What determines Ranald's blessing?
How can you wear Red's Clothes
What's the fastest way to level up new monsties?
Real chance percentage of 'Chance on ...' affix in legendaries?
Grand Theft Auto 5 autosave
Playing a steam game with a controller while using other applications (Multi-Monitor)
How to dominate planets/moons/stations? How do I know if I have dominated it?
Will my base be destroyed if I switch maps?