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1990-05-11
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SITris - A game of the mind.
----------------------------
Release version 1.0, written 5/14/90
by Paul Tupaczewski
Written at Stevens Institute of Technology, Hoboken, NJ
Comments? Questions? Suggestions? Donations?
Reach me at: Bitnet: U93_PTUPACZE@STEVENS
InterNet: U93_PTUPACZE@VAXC.STEVENS-TECH.EDU
USnail: Stevens Tech, Box S-1400,
Hoboken, NJ 07030-5991
Introduction
------------
This game was written by myself on a whim, out of total
boredom. About three days later, this game emerged.
Currently the game is fairly well debugged, but if any new
bugs are found, I would appreciate if you tell me. The game
is a combination of reflexes and mind power, and will hold
your attention for hours to come.
How to Load
-----------
After you copy the game to a subdirectory on either a floppy
or hard drive, type SITRIS to run. The main menu will load
up.
The Game
--------
The game of SITris entails various shapes. These shapes fall
from the top of the screen until they hit something else,
whether it be another piece or the bottom of the screen. The
main idea of the game is to maneuver these pieces left and
right, and position them so that complete rows, or "lines"
of blocks are created. When a line is fully filled, it is
removed, and all blocks above it drop down one level. The
more lines removed with one move, the more points you get.
If you successfully remove four lines, you achieve
"HALcyon", and net big points. To aid in the positioning of
the blocks, the piece may be rotated 90 degrees at a time.
The game is over when the blocks reach the top of the
screen.
The Game Screen
---------------
When you begin playing the game of SITris by pressing
<ENTER> at the main menu, the game screen appears. At the
right is a Statistics window telling you how many of each
individual shapes you've used so far. If so chosen, a window
on the left will display the next piece that will appear for
planning its placement. Also on the left are your score,
lines created, and the level. The level of the game
increases every time you clear ten lines, and the speed of
the falling shapes increases with the level. To move the
piece left and right, the default keys are the left and
right arrow keys. The down arrow (default) drops the piece
straight down until it stops - beware, position the piece
correctly before you drop it, because once it's dropping,
there is no changing its trajectory. The up arrow (default)
accelerates the piece downward. And finally, the <ENTER> key
(default) rotates the piece 90 degrees at a time. These are
the basic rules of playing SITris.
The Main Menu
-------------
At the main menu, pressing <ENTER> begins the game. Pressing
<CTRL-Q> quits and goes back to DOS. Pressing <F1> will show
you the high score chart. Pressing <F10> will allow you to
redefine the default keys to your own liking, and once
redefined, they are saved with the game so that every time
you load the game in, the new key assignments are loaded as
well.
You may select various options by using the up and down
arrow keys to move the pointer, and pressing <SPACE> to
cycle through the choices for each option.
The first option, Show Next, gives you the option of showing
the next piece. Turning this option off makes the game
considerably more challenging.
The second option, SITris Mode, lets you vary the game
itself. Regular is the standard mode of play, while Small
shrinks the blocks down to one-fourth the size of Regular.
Large increases the blocks to four times as large as
Regular. Wide and Skinny are two modes for those who enjoy
some variety in their games.
The third option, Starting Level, lets you select the level
to start the game at. The higher the level, the harder the
game is - nine is extremely fast.
The fourth option, Starting Height, lets the computer build
up a tower of blocks as high as you request - 1/3 fills the
lower one-third of the screen with various blocks, and so
forth. This lets you practice making lines and lowering the
entire stack.
The fifth option, Block Set, lets you select which library
of shapes will be used. Regular is the standard SITris set
of seven shapes, while Extended adds three new shapes the
the Regular set. Insane! is a completely separate set of
five entirely new shapes, and All is an amalgamation of
Regular, Extended, and Insane!
The sixth option, Effects Speed, lets you choose which type
of special effects you like: the Regular (default) effects
involve a simple "line removal" effect; the Quick effect is
a no-frills, quick line removal; the Slow effect is fairly
interesting, but only if you're in no hurry to play the game
in a quick fashion.
The last two options, SITris Amoeba and Appearing Blocks
will be covered below.
Three "comfort keys" are available for use during the game.
Pressing <CTRL-S> during the game will toggle the sound on
and off. Pressing <ESC> will quit the game and return you to
the main menu. And the <PAUSE> key will pause the game; any
other key will unpause it.
SITris Amoeba
-------------
The SITris Amoeba is an invisible creature that ravages your
board. It takes stronghold in a block, slowly disintegrating
it, and eventually making the block crumble and disappear.
It can be added to the game to make gameplay more
challenging. The Amoeba is invisible, but its effects are
more visible: once it takes hold of a block, you will see
the block begin to crumble. If not stopped, the block will
disappear in a few seconds. The only way to kill an amoeba
is to complete/remove the line that it inhabits.
There are five options under SITris Amoeba:
* Off, which removes the amoeba from gameplay
* Easy, in which the amoeba randomly affects one block
during gameplay.
* Hard, in which the amoeba randomly affects one block, but
more often than in Easy.
* Spread, in which the amoeba randomly affects one block,
then after destroying it, moves on to an adjacent block to
destroy it, and repeats the process.
* SprWide is the same as Spread, but the amoeba can move to
diagonally adjacent blocks as well.
Appearing Blocks
----------------
SITris also allows random blocks to appear on the screen.
These can work either toward or against you. Blocks may help
in completing lines, but they may also bungle a possible
positioning of a block. The options under Appearing Blocks
are:
* Off: No blocks appear
* Some: A few blocks appear every once in a while
* Many: Blocks appear more often than in Some.
What's Next?
------------
This is release version 1.0 of SITris. The next version is
currently in the works, with more streamlined features and
improved gameplay options.