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Jake the Snake V5.0 [2018] |
Website :
http://microheaven.com/jake/
Credits :
Download :
Look for downloads on external sites:
Pokefinder.org
Production Info
Submitted by fredrikr on 2 April 2018
Jake the snake, a Basic game for Commodore 64
Version: 5.0
Release date: 2018-04-02
Author: Fredrik Ramsberg ( fredrik dot ramsberg at gmail dot com )
Playing the game
----------------
You are a snake. You need to eat all apples to get to the next level. You
will face a number of levels, each with an increasing number of apples. Also,
speed will increase a little with every level you complete, and with every
apple you eat. You start with one life, but get an extra life after you've
eaten 10 apples. You then get an extra life after eating another 20 apples
without dying, and then after another 30 apples etc.
You can choose your minimum speed and maximum speed. If you choose a minimum
speed higher than 0, it means there won't be any speed increases at the
beginning of the game. However, the maximum speed has to be higher than the
minimum speed, so the speed will increase at some point during the game.
You can get a time bonus if you finish a level quickly. The time allowed
before the bonus is down to zero depends on how many apples there are to eat
and the speed of the snake on the lowest speed setting. Thus, you have the
chance to get a higher time bonus if you opt for a higher speed setting.
There are 36 different levels. If you play on Novice, you play all 36 levels.
If you complete level 36, you get to play level 1 again (but with higher speed
and more apples to eat than the first time around). If you play on Normal, you
skip the 12 easiest levels. So, you play level 13 to 36 and then go back to
level 13 again. If you play on Expert, you skip the 24 easiest levels, playing
level 25 to 36 and then start over on level 25 again. Thus, Level 13 on Novice
is the same as level 1 on Normal, and level 30 on Novice is the same as level
18 on Normal and level 6 on Expert.
The snake grows more with every apple eaten on Normal than on Novice, and even
more on Expert. Also, the speed increase per level completed is higher on Normal
and even higher on Expert.
Background
----------
I wrote this game to see if I could write an action game in pure C64 Basic,
without machine code parts, without using a Basic compiler, and still make it
fast enough to be fun and challenging. After I got the game working, I spent
dozens of hours optimizing the code for speed. Apart from getting the actual
game faster, this also involved making game startup, game restart, and all
aspects of the menu screen faster, so that the game would be more enjoyable.
Since it is pure Basic, anyone can type LIST and see how things are done.
Unfortunately, the speed optimizations are not helping readability. To assist
people who are interested in how the game works, there is an accompanying
file containing code notes.
License
-------
This game is released as freeware. Anyone is free to download it, play it, and
redistribute it in unchanged form, including this notice.
Additionally, anyone may use all or any part of the source code to create a
new program. If you do use any substantial part of the source code, please
give credit.
Version history
---------------
Date Version
2018-04-02 5.0
* Made level printing a *lot* faster.
* Added three new levels. The game now has 36 levels.
* Made menu screen more responsive.
* Made two levels (Expert#5 and Expert#12) slightly easier.
* Changed the layout of one level (Novice#11). This made it harder, so it
was moved to a higher position (used to be Novice#7).
* Changed the speed settings available to the player to make acceleration
mandatory.
* Changed the speed selection method.
* Changed the way the speed selection is displayed on menu screen.
* Increased the minimum snake speed.
* Changed the way the game waits for the player to press space after death
or level complete, so player can press space before the sound stops
playing, while other keys are ignored.
* Some new informational messages.
2018-03-27 4.1
* Fixed bug which could make the game freeze if you pressed keys just
after dying or completing a level.
* Added an arrow pointing to your last result in the highscore list.
2018-02-17 4.0
* Levels have been reordered, so harder levels come later in the game.
* Difficulty levels renamed to Novice, Normal, Expert.
* Game now default to Normal difficulty and the lowest speed settings
allowed (Min: 0, Max: 2).
* There are now four apples in play at once instead of three.
* Calculation of maximum time to get a time bonus now disregards speed
settings, which means you can get more time bonus on higher speed
settings.
* Bug in maximum time for time bonus calculation fixed.
* If the game fails to load highscores, it will now ask again about which
unit to use.
* Fixed bug where the game would freeze after the snake dies.
* Fixed bug where you got 800000+ extra points when playing past computer
time midnight.
* The speed increase per level completed is now half as big as before.
2018-02-04 3.0
* Snake is a *lot* faster on maximum speed.
* Minimum speed has been increased.
* Selectable speeds are now 0-4.
* Maximum speed is now selectable.
* Base speed and possible speed settings are now the same for all
difficulty levels.
* Game launch is quicker.
* Current speed is shown during game play (rounded down to integer).
* More speed is added per level completed than before.
* Some informational messages have been improved.
* New name for highscore file, since highscores for this version shouldn't
be compared with previous versions.
2018-01-23 2.2
* Snake moves faster at maximum speed.
* Snake moves faster at minimum speed.
* Minimum speed settings are now 0-5.
* Game launches quicker.
* Game re-launches much quicker after game over.
* Snake grows more on medium and even more on hard.
* Better informational messages.
* Three new levels.
2018-01-16 2.1
* Snake moves faster at maximum speed, and turns quicker.
* Minimum speed settings are now 0-9 instead of 0-10.
2018-01-11 2.0
* Added difficulty levels and minimum speed setting.
* Game remembers last name entered for highscore list.
2018-01-02 1.0
* Initial release |
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