Game is controlled by the same keys that are used to playing under MS DOS. For fullscreen press 'Right Alt' + 'Enter'.
Help:
If the game emulation speed is low, you can try to increase it by reloading this page without ads or choose another emulator from this table.
Other platforms:
Unfortunately, this game is currently available only in this version. Be patient :-)
Battle of the Brains, also known as Commander Keen 9, is the third and final episode of the unofficial 'The Universe is Toast' trilogy by Ceilick, with the bulk of the modding done by Ceilick, Mink and Tulip, with extensive patching by Levellass and Lemm. Work on the mod began shortly after the release of Dead in the Desert in 2009. It was released in February 2011.
The story continues where Dead in the Desert left off. After escaping the planet Calidune and being reuinted with his friends in the Bean-with-Bacon Megarocket, Commander Keen learns of Mortimer McMire's plans to destroy a giant star and incinerating the universe. He also learns that Mortimer has a space station containing several transporters which can be used to teleport to distant worlds and locations. One of these transporters is heavily guarded and believed to lead to Mortimer himself. Keen must travel to four different worlds in order to activate the controls which unlock the doors to the final teleporter so that he can stop Mortimer before the universe is toast!
Find digital download of this game on
GOG
or
Steam.
Game controls:
All DOS games were controlled directly from the PC keyboard. Some newer DOS games also used a mouse or other more advanced game peripherals for control. However, each game was controlled by different keys. You can find a detailed description of how to control this version of Commander Keen 9: Battle of the Brains in the attached game manual. An overview of basic keyboard commands and keyboard shortcuts to control this game is summarized in the following table:
Keys
Action
←→
Walk left or right
↑
Climb up / Enter the door / Look up
↓
Climb down / Look down
Ctrl
Jump
Alt
Activate or stop pogo stick
Spacebar
Fire
Enter
View status
Esc
View main menu
F1
Help
Platform:
This version of Commander Keen 9: Battle of the Brains was designed for personal computers with operating system MS-DOS (Microsoft Disk Operating System),
which was operating system developed by Microsoft in 1981. It was the most widely-used operating system in the first half of the 1990s. MS-DOS was supplied
with most of the IBM computers that purchased a license from Microsoft. After 1995, it was pushed out by a graphically more advanced system - Windows and
its development was ceased in 2000. At the
time of its greatest fame, several thousand games designed specifically for computers with this system were created. Today, its development is no longer continue
and for emulation the free DOSBox emulator is most often used. More information about MS-DOS operating system can be found
here.
Available online emulators:
5 different online emulators are available for Commander Keen 9: Battle of the Brains. These emulators differ not only in the technology they use to emulate old games, but also in support of various game controllers, multiplayer mode, mobile phone touchscreen, emulation speed, absence or presence of embedded ads and in many other parameters. For
maximum gaming enjoyment, it's important to choose the right emulator, because on each PC and in different Internet browsers, the individual emulators behave differently. The basic
features of each emulator available for this game Commander Keen 9: Battle of the Brains are summarized in the following table:
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