Mega Lo Mania (SNES)

Mega Lo Mania
Also known as: MegaLoMania: Jikuu Daisenryaku (JP) Developer: Sensible Software Publisher: Imagineer Platform: SNES Released in JP: July 23, 1993 Released in EU: 1993 This game has hidden developer credits. This game has hidden development-related text. This game has a hidden sound test. This game has a hidden level select.

Cheat Menu

At the main menu, press X, R, Y, L, then hold Select and press Start to access a cheat menu containing music, SFX, and voice tests, and a level select.

(Note: The cursor must be on one of the three selectable options for this to work.)

(Source: super-famicom.jp)

Build Date

A version number, a build date and developer credit are present at 0x498, along with the start and end dates of both versions of the ROM.

Version 1.00 16/08/91
SFC_ROM_JAPAN_VERSION 20/08/92～06/05/93 by Minoru Nakajima.(minopon@sps) 
SFC_ROM_EUROP_VERSION 10/05/93～06/07/93 by Minoru Nakajima.(minopon@sps) 

The Japanese version has a different string present at the same offset.

Version 1.00 16/08/91
Version x.xx 16/08/92 - (X68000)
Version x.xx 20/08/92 ～ 06/05/93 - (SFX   )
SFC_ROM_VERSION_0506

The prototype has an earlier end date for the European version:

Version 1.00 16/08/91
SFC_ROM_JAPAN_VERSION 20/08/92～06/05/93 by Minoru Nakajima.(minopon@sps) 
SFC_ROM_EUROP_VERSION 10/05/93～01/06/93 by Minoru Nakajima.(minopon@sps)