From the release:
Rumble in the Rubble is a bare knuckles action hero slugfest for 28 mm miniatures. Using an innovative coin based mechanic, RitR lets you jump off a building slashing a chainsaw at your gaming buddies in cinematic style.
For $1.99, this 52 page book contains:
•seven pages of rules
•twelve scenarios and five plot lines for head to head, multiplayer, and tournament play
•22 pages terrain flats and easy-build 3D terrain peices
•3 pages of special ability, weapon, and surprise cards, formatted to print out on a regular laser printer business card page