Keen 4 Versions

This page lists the known versions of Keen 4 and any differences discovered between the versions.

Screen for levels not available in Keen 4 special demo version

EGA version
Limited number of levels available
Keen 4 seems to have been originally planned to be a commercial game and not shareware in this demo
When an unavailable level is selected from world-map, an explanatory screen appears, the same screen which text was left in the EGA Graphics file (EGAGRAPH.CK4) of later versions.
Sound that comes from collecting Lifewater flash is the same as collecting normal score
Different music on world map
No music in levels (Incomplete OASIS.IMF can be found from the files)
Less score in the underworld part in level 1
There are no sleeping worms in the second village level
No ordering info in help screen
Has a lot more files than the actual release (The files have not yet been merged into the exe)
The paddle war minigame doesn't have a speed limit (Game is unplayable on faster computers)
No E+N+D cheat
Doesn't require you to use A+2+Enter to use debug cheats
EGA and VGA video modes listed separawtely at initializing screen
No B+A+T cheat
Game version number is written in a different place at the initializing screen
The F10+P cheat triggers 1-UP sound and freezes game
Quiet Adlib music mode added
Firing button can not be changed
Joystick options can be altered even if a joystick has not been detected
No F10+Y debugging cheat
Some differences in the ComputerWrist section at help screen

CGA version of Keen 4

EGA and CGA version
Added "Fix Jerky Motion" option to make movement smoother on certain computers (EGA only)
Better soundcard detection
Added Gravis Gamepad support
Fixed last page in computer wrist help section which erroneously said The Armageddon Machine

EGA version only
Added Gravis Gamepad support
Order info section removed
A line about Goodtimes software has been added to the bottom of the initializing screen
Title screen has distributed by Apogee removed
ID software section updated

External Links