Earthworm Jim/Hidden content

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Mega Drive version

David Perry's private cheat mode

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EarthwormJim MD DavidPerry 2.png

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Pause the game and press Left+A, B, B, A, Right+A, B, B, A. The game will cut to a screen showing developers at Shiny Entertainment, and a debug/options screen. While the options are the same regardless of region, the system details and build date vary depending on the ROM and console being used. The options are:

  • Cheat Mode: Enables invincibility.
  • Start on Level: Press A and B to select a level, and  START  to play the selected level.
  • Freezeability: Changes pausing in that it prevents the game from dimming the screen or pausing music when paused, and only pauses as long as  START  is held down. It also makes it impossible to re-enter the cheat menu again.
  • Map View Mode: Use the D-Pad to move the camera around the level, and press A to move Jim to the camera's location.

The selectable levels for "Start on Level" are as follows:

  • 1 - New Junk City
  • 2A - Hell or Heck?
  • 2B - Snowman Boss
  • 2C - Evil Boss
  • 3A - Bungee 1
  • 3B - Bungee 2
  • 3C - Bungee 3
  • 4 - Peter Puppy
  • 5 - Slug for Butt
  • 5B - Helicopter
  • 6A - Prof's Lab
  • 6C - Chicken Fly
  • 6D - Naked Worm
  • 7 - Intestines
  • 8A - Sea Tunnels
  • 8B - Pod Races
  • 9A - Asteroids 1
  • 9B - Asteroids 2
  • 9C - Asteroids 3
  • 9D - Asteroids 4
  • 9E - Asteroids 5
  • 9F - Asteroids 6
  • 9G - Asteroids 7
  • 10A - Darkness 1
  • 10B - Darkness 2
  • 10C - Darkness 3
  • 10D - Darkness 4
  • 10E - Darkness 5
  • 9P - Psycrow!

One notable thing about this list (apart from the jumbled level order) is that there's no 6B slot - on Level 5, 6A is followed by 6D and then 6C, but the part of the level after the Naked Worm segment before the falling segment (i.e., the segment that ends with the first chicken boss) is not directly accessible, unlike every other area in the game.

Extra life

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Pause the game and press B+Up, B, A, C, A, A, A, A. The game will play the "Cheater! Wheee Doggy!" voice clip if entered correctly, and when unpaused, Jim will have an extra life. This can be performed as many times as you would like.

B, B, C, A, A, A, A has the same affect.

Extra continue

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Pause the game and press A, B+Left, A, B, A, B, C, A.

Skip level

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Pause the game and press A, B, B, A, A+C, B+C, A+C. The game will say "cheater" and the level will end.

Refill energy

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Pause the game and press A, C, C, A, B, B, A, C. The game will say "cheater" and Jim's energy will set to 100%. This can only be performed once.

Plasma gun with 9 rounds.

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Pause the game and press C+Up, A, A, C, A, B, C, C. The game will say "cheater plasma!" and Jim will be given 9 shots for his Plasma Gun.

C, A, B, C, A, B, A, C has the same effect.

Level warp

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Pause the game and press any of the following to warp to a specific level[1]:

  • What the Heck?: Left, Right, A, B, C, Left, Right, A
  • Snowman Boss: Right, Right, Right, B, C, Left, Right, A
  • Evil the Cat: Up, Down, Right, B, C, Left, Right, C
  • Down the Tubes: Up, Down, Left, Left, Down, Down, Up, Down
  • Tube Race: Up, Down, Left, Right, Down, Left, Up, A
  • Snot a Problem! 1: A, B, C, Left, Right, Left, A, B
  • Snot a Problem! 2: Up, B, C, Left, Right, Down, A, C
  • Snot a Problem! 3: A, Up, C, Left, Left, Left, C, A
  • Level 5: A, B, C, Left, Left, Right, Left, Right
  • Naked Worm: C, A, C, Up, Down, Up, Down, Left
  • Chicken Fly: A, A, C, Up, Down, Down, Down, Right
  • Darkness 1: A+C, B, Up, Down, Left, Right, Left, Right
  • Darkness 2: A, B, Up, B, Left, Right, B, Up
  • Darkness 3: A, B, C, Up, Left, A, Left, Right
  • Darkness 4: A, C, Up, Left, C, Right, Left, C
  • Darkness 5: A, B, Up, Down, Left, Right, Right, Right
  • For Pete's Sake!: A, B, C, A, B, C, Left, Right
  • Intestinal Distress!: C, C, C, Right, Left, Right, B, A
  • Buttville Helicopter: C, C, Down, Down, A, Left, Right, Left
  • Slug for Butt: A, C, Left, Right, C, Left, Right, Left
  • Asteroids 1: A, Left, A, C, C, C, C, B
  • Asteroids 2: C, Down, A, A, Down, B, C, Down
  • Asteroids 3: A, Down, Left, A, B, B, C, B
  • Asteroids 4: A, Down, A, A, B, B, C, B
  • Asteroids 5: A, Left, A, C, B, Down, Up, B
  • Asteroids 6: A, Right, A, A, Down, B, Up, B
  • Psycrow!: A, B, Up, Down, Down, Right, Down, Right

Skip to the end

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Pause the game and press A+C, A+B, C, C, B, B, A, A.

Fill current weapon

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Pause the game and press A, B, B, B, C, A, C, C.

References

  1. https://forum.emu-russia.net/viewtopic.php?f=224&t=15 (Wayback Machine: 2018-09-03 23:37)


Earthworm Jim

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Sega Mega Drive
Prototypes: 1994-07-28