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Boomsaw Hard Mutation

Boomsaw Hard Mutation: What could go wrong?

8 Special Infected at a time. 2 of any kind of Special Infected at a time.
Commons spawn from Boomers, Alarms and Events.
No Bosses (Except Finale Tanks).

Infinite Chainsaws. Grenade Launchers with a few extra grenades.*

*If you can't pick up a new Grenade Launcher, it is because the "new one" only has 1 shot in it. Only affects some grenade launchers, others in same area may be full.