Fudge is a text-based puzzle game about a radioactive dog seeking vengeance. It is a clone of the 1995 game Pudge for Windows 3.11, created by Damon Chaplin based on a previous game designed by A. J. Cook for the Atari ST. This clone is written in Fortran and its purpose is to demnostrate how modern Fortran with its C interoperability features can be used for things other than numerical computation. Fudge is distributed under the GNU/GPL license, version 3 (see LICENSE).
Fudge has been developed for Linux. You will need a Fortran compiler (gcc/gfortran works) and the ncurses library. On debian, you can get both by doing:
sudo apt-get install libncurses-dev gfortran
To compile, run:
make clean
make
(Shamelessly copied from the Pudge help page).
After many years of constant use as a nuclear dumping-ground, Fudge's home planet, Stacia, is on the brink of disaster. So Fudge, being very environmentally-aware, sets forth on a quest to cleanse the planet and finally rid it of the perpetrators of this thoughtless deed, the greedy and selfish Naggons. But what can one Fudge do against the evil hordes? Fudge must journey through levels, making each one safe by:
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Clearing up all the radioactive earth (~).
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Collecting all the anti-rad crystals (%) (these also give Fudge valuable extra time).
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De-fusing the bombs (B) left by the Naggons, by surrounding them with 4 rocks (o).
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Killing any naggons (N) lurking about, by surrounding them with radiation canisters (too good for 'em!).
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Destroying the radiation canisters (O) by feeding them to the deadly chompers (X).
Each level has a password (in yellow, at the top of the screen) which may be used in future games to skip the previous screens (fudge -p PASSWD).
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Move Fudge with the arrow keys.
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Restart a level with r.
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Quit the game with q.
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Help screen with h.
See the command-line options by doing fudge -h.
You can design your own levels and then run them by doing fudge -f FILE, where FILE is a text file containing the level description. A level file uses the same symbols for the in-game objects as the game itself (in fact, you can copy and paste the terminal output). For instance, a simple level is:
#####
#@o #
#oo #
#o ~#
#####
There are no limitations regarding the size of the level or the number of objects in it.
Fudge can double as a sokoban game. To beat a sokoban level, rocks must be moved onto all + symbols in the map. A * character in the map denotes a + with a rock on it. Try the first level in classic sokoban (by the now-defunct Japanese software company Thinking Rabbit) by doing:
fudge -f sokoban-1.lvl
More sokoban levels can be obtained from sokoban.org or from Jonathan Schaeffer's webpage at the the UofA. The ASCII maps in the former can be converted to fudge format using:
sed 's/_/#/g;s/-/ /g;s/\$/o/g;s/\./+/g'
Toss in a few Ns for extra fun.