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E.V.O.: Search for Eden

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Title Screen

E.V.O.: Search for Eden

Also known as: 46 Okunen Monogatari - Harukanaru Eden (JP)
Developer: Almanic
Publisher: Enix
Platform: SNES
Released in JP: December 21, 1992
Released in US: July 15, 1993


MusicIcon.png This game has unused music.
DebugIcon.png This game has debugging material.
SoundtestIcon.png This game has a hidden sound test.
RegionIcon.png This game has regional differences.


E.V.O. is a unique side-scrolling pseudo-Action-RPG where you help direct the evolution of life on Earth. You start as a fish, and work progress all the way up to a human by spending experience (EVO) points to upgrade your body.

Debug Mode

Use Game Genie code 1261-64A7 or Pro Action Replay code 008E6B6D to enable debug mode. During gameplay, Controller 2 allows the following:

  • Select - add 1000 EVO points
  • Start - freeze enemy behavior
  • L - infinite health (counter will reach 0, but no game over)
  • R - instantly advance to next chapter
  • B - evolve into a bird

Hey, time travelling amphibian! Pretty impressive, evolving from a fish into a bird. I've heard of flying fish, but this is silly.

(Source: JLukas)

Debug Flags and Unknown Addresses

Shortly after bootup, the programming at SNES address $008184-008195 initializes a set of six memory addresses to the value $00.

7E0758

Unused. No programming reads this address.

7E0759

Unused. No programming reads this address.

7E075A

Set this memory address to a non-zero value to enable what appears to be a debug map viewer type mode.

7E075B

This holds the debug flag to freeze enemy behavior described in the previous section above.

7E075C

A debug flag to skip areas on the overworld map when set to a non-zero value. Use PAR code 7E075C01 or 01912080, or Game Genie code 6DB4-0DD0.

7E075D

Holds the infinite health debug flag described in the previous section above.

Sound Test

Sounds of nature.

Located after the title screen, but the only way to access it is through game enhancer codes: at the title screen, enable Game Genie codes 14A4-6578 A3A4-6558 or PAR codes 1ECE2C62 1ECE2DCE.

To correctly switch between songs, use Stop Music, change the Music Code, then use Data Transfer and finally Music Start.

Don't use Command Init. or select a Music Code index higher than 28, as the game will crash.

(Source: JLukas)

Unused Music

Hmmm...
To do:
What are the codes for the rest of the jingles?

There are two songs and four jingles that can be heard via the above sound test, but do not appear anywhere in the game.

Music Code: $01
The music from the prologue of 46 Okunen Monogatari ~The Shinka Ron~, the text-based adventure E.V.O. is based on.

Music Code: $0E
The ending music known as "To a New Evolution" from 46 Okunen Monogatari ~The Shinka Ron~. Oddly enough, this track appears on the Symphonic Synth Suite album that coincided with the game's release.

Music Code: $1A
This could have been intended as an alternate "Evolution" fanfare.

Music Code: $1B
No clue where this jingle could have been used. It most resembles "Whispers from Above", the short jingle that plays when you overhear "mysterious voices".

Music Code: $1D
This doesn't sound like anything else in the game, although it actually brings to mind an RPG "Inn" jingle. Unlikely to have been used for such a purpose, however.

Music Code: $22
Possibly intended as an item jingle, although there are no items to collect in this game.

Unused Programming Leftovers

On the overworld map, the programming at SNES address $009949 checks if L is pressed on Controller 2. If so, it loads value $01. At one time, this was followed by a STA $075C operation to enable the debug feature to skip areas, but it was removed for the final build.

On the title screen, the programming at SNES address $1ECDDF checks if Select is pressed on Controller 1. However, it doesn't do anything further with it. This is located pretty close to the sound test entry point, and was probably the method used to access it.

SRAM String

The string FURUTA (for programmer Tetsuya Furuta) is written to save files and evolution records. When loading a save file, or using Review of Evolution, the game looks for the string to determine if data exists in that slot.

Regional Differences

Title Screen

Japan US
46 Okunen Monogatari-title.png EVO Search for Eden-title.png

Different title graphic, font and copyright text.

Evolution Menu

Japan US
46 Okunen Monogatari evolution menu.png EVO Search for Eden evolution menu.png

Mammal Intro

Japan US
46 Okunen Monogatari mammal intro.png EVO Search for Eden mammal intro.png

The Japanese text was removed and replaced with a small rock in the North American version.

Domain of Brosasaurus

Japan US
What's that smell? Improved air quality

A bunch of crap was removed from the American version...literally. These steaming piles were taken out of the Chapter 3 area Domain of Brosasaurus. The actual graphics weren't deleted, just the area data was changed to not include them.