The hills provide the battleground where Redcode programs compete
for supremacy. Some are round robin, where warriors fight each other in
one-on-one battles. Others are mêlée (multi-warrior) where all
warriors battle simultaneously.
There are two main types of hill,
KotH and infinite.
KotH hills are a fixed size;
after each submission the weakest warrior is pushed off. Warriors are never
pushed off infinite hills, but all submissions are made public. The
beginners' hill and
are recommended for beginners.
KOTH@SAL offers seven play by
email hills -
To submit a warrior to a hill on
send your warrior to
with the appropriate
;redcode header. For more details send
an email containing @help or see SAL's
Newton's Hills are aimed
at evolved warriors, although the mixed hill also accepts hand-written
programs. The hills are
and 94 mixed.
The KOTH.org Corewar Server
is the longest running Corewar site, providing seven play by email hills -
To submit to a
email your warrior to
firstname.lastname@example.org with the
;redcode header. For more details send an email
containing ;help or check the hill information on Koth's
Hill Standings page.
can be found on
Christoph's page, a
collection of ten infinite hills consisting entirely of published warriors.
The infinite tiny and
infinite nano hills are hosted on
corewar.co.uk. For more details
take a look at the pages for the tiny hill and