You're a cute little bunny and you have to avoid the other bunnies from stomping on you and at the same time try to stomp as many opponents as possible. Jump & bump is multiplayer only with up to four players simultaneously. Gather the local crew and have a blast.

Jiffy plays with the arrow keys
Fizz plays with j, i, l
Dott plays with a, w, d
Mijji plays with 4, 8, 6

Network play
freshmeat record

BeOS (screenshot)
CVS
Source (Linux, *BSD, Hurd, Windows, BeOS) tar.gz Debian GNU/Linux package
FreeBSD ports
RISC OS
RPM package (src, i386)
Mac OS X package
Windows (screenshot)
Windows (old but with networking)
DOS | bzip2 for DOS/Windows

Level making | Level selector (screenshot)
Latest 15 levels
Contact | irc.gnu.org #jumpnbump

industri.dat.bz2 as .bz2
inthepc.dat.bz2 as .bz2
inthesky.dat.bz2 as .bz2
jiffys.dat.bz2 as .bz2
jump2.dat.bz2 as .bz2
jumpbump.dat.bz2 as .bz2
jumpbump2.dat.bz2 as .bz2
jungle.dat.bz2 as .bz2
just.dat.bz2 as .bz2
kathys.dat.bz2 as .bz2
1 2 3 4 5 6 7 (8) 9 10 11 12 13 14 15 16 17 18 (Total 178 levels)