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The retail release of the game, which includes the first 3 episodes of the series: Commander Keen in Marooned on Mars, Commander Keen in The Earth Explodes, and Commander Keen in Keen Must Die!.
A compilation pack containing the entire Commander Keen series (excluding the final episode Commander Keen in Aliens Ate My Baby Sitter! and the "lost" episode Commander Keen in Keen Dreams).
All games in the pack are pre-configured to run with DOSBox.
REM All episodes must be in the same folder contrary
REM to the original launcher this one was based on.
ECHO ======================= COMMANDER KEEN COLLECTION =========================
ECHO Invasion of the Vortices (1-3):
ECHO 1 - Commander Keen 1 Marooned On Mars (1990)(Apogee Software)
ECHO 2 - Commander Keen 2 The Earth Explodes (1990)(Apogee Software)
ECHO 3 - Commander Keen 3 Keen Must Die (1990)(Apogee Software)
ECHO Goodbye, Galaxy! (4-6):
ECHO 4 - Commander Keen 4 Secret Of The Oracle (1991)(Apogee Software Ltd)
ECHO 5 - Commander Keen 5 The Armageddon Machine (1991)(Apogee Software Ltd)
ECHO 6 - Commander Keen 6 Aliens Ate My Baby Sitter (1991)(Formgen)
ECHO Other (The Lost Episode):
ECHO 7 - Commander Keen Dreams (1991)(Softdisk Publishing)
CHOICE /c1234567q/n Choose a number (Press Q to Quit):
IF ERRORLEVEL 8 GOTO EXIT
IF ERRORLEVEL 7 GOTO KEEN7
IF ERRORLEVEL 6 GOTO KEEN6
IF ERRORLEVEL 5 GOTO KEEN5
IF ERRORLEVEL 4 GOTO KEEN4
IF ERRORLEVEL 3 GOTO KEEN3
IF ERRORLEVEL 2 GOTO KEEN2
IF ERRORLEVEL 1 GOTO KEEN1
ECHO Starting Commander Keen 1...
ECHO Starting Commander Keen 2...
ECHO Starting Commander Keen 3...
ECHO Starting Commander Keen 4...
ECHO Starting Commander Keen 5...
ECHO Starting Commander Keen 6...
ECHO Starting Commander Keen Dreams…
Two reversed engineered source ports are available.