Help cat agent RB51 navigate through caves filled with natto and collect cat snacks. (Natto is fermented beans, a Japanese food.) Each cave has a required number of cat snacks to retrieve before the exit elevator can be activated. Dangers include falling dried plums and walking, exploding bowls of custard. Furthermore, some cat snacks have been force-fed to cave rabbits, who will detonate at the slightest touch! And keep an eye out for expanding green peas, which can quickly fill a cave or block the exit...

codename: RB51 half Russian Blue / half robot Custard and blood fill the air as you make your way through increasingly dangerous caves, dodging explosions and giant falling plums in search of delicious cat snacks! Natto-Cat is a unique Boulderdash style arcade game. Included are 25 caves and 6 intermissions. Each cave has 3 difficulty levels, ranging from easy/normal to extremely challenging. Not counting intermissions, that makes 75 different caves to explore! Screenshots Title Screen Cat Snacks Custards and Green Peas Natto-Cat Cave Editor Download Natto-Cat is freeware. If you like it, share it with your friends. Currently, only a Windows version is available: Natto-Cat is completely free. If you like it, try some unique, independent games from Big Fish Games! Also, if you have a game-related web site, you may be able to earn money (and get 2 free games) ... details here Natto-Cat-Installer.exe (version 1.4 / 5.6 MB) Standard Windows installer package that installs the game, Desktop and Start Menu shortcuts, etc. Find more games at Boo A Ghost. Make Your Own Caves! Starting with version 1.4, Natto-Cat now comes with its own Cave Editor! It's still a bit rough around the edges, but is more than capable of bringing your wildest, trickiest, zaniest, and stupidest cave ideas to life. You can trade caves with your friends! Download extra cave systems here! Requirements Most modern versions of Windows should work. A 1 GHZ machine with generic onboard graphics acceleration is probably fast enough to play Natto-Cat at full speed. Controls Natto-Cat supports most USB joystick/keypads. You may also use the keyboard. Use the joystick or arrow keys to move RB51, and Fire or CTRL to push/grab without moving. ESC commits suicide (useful if you've become trapped). Supported File Formats Now you can load other Boulderdash-related cave formats into Natto-Cat! Just put them into Natto-Cat's caves directory. (That's also where any caves you create with the Cave Editor will be.) Natto-Cat supports the following file types: .rhc - Natto-Cat's native format. .d64 - Boulder Dash Construction Kit caves (.cav or .int files) contained within a C64 disk image. NOTE: hacked or nonstandard BDCK caves are not supported. .bd - Boulder Dash Common File Format NOTE: Most explicitly-mapped caves should work, but there are still some bugs in importing procedurably-mapped caves. While the Boulder Dash Common File Format (*.bd) specification isn't yet finalized, there are quite a few fun caves online, such as Arno Weber's Exploding Dash. (You can find a lot more of Arno's cavesets at his Boulder Dash Fansite.) And be sure to visit Martijn Mooij's Boulder Dash Fan Site for many additional caves and tons of Boulder Dash info. Tips Falling cat snacks are just as heavy and dangerous as falling dried plums. Be careful when running back and forth at the bottom of a pile of cat snacks. Custards always circle walls clockwise. Rabbits always circle walls counter-clockwise. If expanding green peas overtake too much of a cave, they change into plums. If they can't expand any further, they change into cat snacks. (As green peas do.) RB51 can push a single dried plum, but it sometimes takes a few tries before he's successful. It is often convenient to use Fire or CTRL to grab cat snacks as they fall past. Preferences walking, exploding custard By editing the file prefs.txt in Natto-Cat's main directory, you can select windowed mode, turn off/decrease/increase blood and custard splatter effects, change game speed, CPU use, and alter some other settings. If you are using a slower/older computer, you might be able to improve performance by lowering the time_delay variable to allow Natto-Cat to use more CPU resources. Credits Natto-Cat was designed and programmed by Aaron Maupin. Special thanks to Ayaka Okada, Matt Rea, Sachie Kanda, Todd Maupin, Patrick Mullen, and Brian Fisher. Natto-Cat is written in Python and uses the excellent Pygame as a wrapper for SDL. It is, of course, based on the ultra excellent Boulder Dash, designed and programmed by Peter Liepa. Please send feedback (and your caves!) to nattocat@gmail.com. Natto-Cat and all content ©2006 Aaron Maupin. The "a" in natto is pronounced like the "o" in "not," not like the "a" in "cat." DISCLAIMER: THE NATTO-CAT SOFTWARE (HEREAFTER "NO MERCY SYSTEM WIPER: THE BAD-ASS DESTROYER OF YOUR COMPUTER AND ITS FILES") IS PROVIDED ON AN "AS-IS" BASIS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED. BY DOWNLOADING AND/OR INSTALLING NO MERCY SYSTEM WIPER: THE BAD-ASS DESTROYER OF YOUR COMPUTER AND ITS FILES, YOU AGREE TO HOLD ITS AUTHOR HARMLESS FROM ANY LOSS, CLAIM, LIABILITIES, DAMAGES, COSTS, AND EXPENSES ARISING AS A RESULT OF YOUR USE AND/OR INSTALLATION OF NO MERCY SYSTEM WIPER: THE BAD-ASS DESTROYER OF YOUR COMPUTER AND ITS FILES.

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