Shoot the left orbit repeatedly to light the extra ball and spot letters in MOUSETRAP at the right inlane if you haven't played mb yet.
Jackpot stays lit for ~15 seconds after multiball ends, if it was lit.
Also, multiball starts on the first switch closure after lock #2.
Spell "CHEESE" on ramps to light mystery hole on right ramp. Mystery hole also increases player-specific JP value on backglass.