The Banana Mod

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The Banana Mod
The Banana Mod.png
Mod-ingame-The Banana Mod.png
Modded episodeKeen 1
ProtagonistCommander Keen
Release date
Number of levels10
Secret levels1
New gameplay?Yes
New graphics?Yes
New levels?Yes
New sounds?No
New music?No
(2 votes)
Overview map

The Banana Mod, is a Keen 1 mod by Herry Jerry. It is Herry Jerry's first Keen mod, which in its beta version was released on Keen Day (14 March) 2013 following over three years of development. The mod was received to great acclaim upon release.

Technical Information

  • Graphics: custom graphics by Herry Jerry
  • Levels: 10 levels
  • in-game text and dialogues are modified and keyboard controls are altered from the Keen1 standard. Cheats are not disabled


The whimsical story involves a plot by Mortimer McMire to harm Keen by getting him to slip on a banana skin. Keen uses his intellect and exceptional mobility to exploit this sliding to find Mortimer for some stern retribution.


Skidding Keen.png
Skidding Keen
This mod has distinctive gameplay derived from heavy patching, in which the player controlls Commander Keen who is skidding on banana skins.

The frame scrolls smoothly and rapidly to the right and the player must keep up with the frame or risk death. The scrolling is notably faster than in KeenRush's Extinction.

Left and right arrow keys influence the speed of sliding. Keen can jump and the arrow keys alter the forward propulsion of the jump. Keen cannot move to the left however. Additionally, Keen can duck - technically he becomes 16 pixels tall and can fit through a one-tile gap.

A major feature of the levels is their perpetually cyclic nature, interrupted only by death or the exit.


  • There is no weapon or pogo stick
Assorted banana and banana-peel goodies

Level Maps

Spoiler Warning! This shows the whole levels for the hard version of the game.