Sonic the Hedgehog Pocket Adventure (Oct 22, 1999 prototype)

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Sonic the Hedgehog Pocket Adventure (Oct 22, 1999 prototype)
Sonic the Hedgehog Pocket Adventure (Oct 22, 1999 prototype)
Build date	Oct 22, 1999
Dump status	Released
Dumped by	drx
Released by	drx
Origin	EPROM cartridge
EPROMs	1x
Labels	SNK (P) ソニックロックマン Ver. 10/22 セガ承認用 (?) 99.10.22 10D7
Dump method	Tengu NGPC Dumper
Ownership	Japan Auction User (2016), drx (2016-Present)
Game	Sonic the Hedgehog Pocket Adventure
System	Neo Geo Pocket Color
Genre	Action
Release date	JP Jan 11, 2000; US Nov 30, 1999; EU Dec 3, 1999;

A prototype of Sonic the Hedgehog Pocket Adventure for the SNK Neo Geo Pocket Color.

Notes

Pressing start at the Sega screen brings up a debug menu.
Contains two test maps for the action stages, and two test levels for the special stages.
The debug menu contains different level names for various zones, but the zones themselves have the final names in their title cards.
Some aspects of levels have collision problems (i.e the springs in Casino, and the rotating platforms in King Relics).
The boss in Death Egg Act 2 doesn't spawn a capsule upon defeat.
Some sound effects are missing from the prototype.