Timeline

Prototypes within this group may not be in correct order. They may be even from one prototype.

	Sega Visions '92 <iimg>M09!</iimg> M09	Nick Arcade <iimg>T01!</iimg> T01	Sonic 2 Proto v1.54 <iimg>"Wai" Proto!</iimg> "Wai" Proto	Mean Machines Sega VHS <iimg>T02!</iimg> T02	GamePro M02 M05 <iimg>M06!</iimg> M06 <iimg>M20!</iimg> M20 <iimg>M21!</iimg> M21<iimg>!M22</iimg> <iimg>M23!</iimg> M23 M24	Spanish Promotion VHS <iimg>T03!</iimg> T03	MegaForce '92 <iimg>M14!</iimg> M14 <iimg>M15!</iimg> M15 <iimg>M16!</iimg> M16 <iimg>M17!</iimg> M17	Sega Sonic Gold Guide '93 <iimg>M10!</iimg> M10 <iimg>M11!</iimg> M11 <iimg>M12!</iimg> M12 <iimg>M13!</iimg> M13	Sonic 2 Manual <iimg>M08!</iimg> M08	Unknown French media <iimg>M07!65px</iimg> M07 <iimg>M18!</iimg> M18 <iimg>M19!</iimg> M19	Sonic 2 Final Final
TIME	->	->	->	->	->	->	->	->	->	->	-
EHZ snails	-	Y	Y	-	-	N	-	-	-	-	N
CPZ loop full corners	-	-	N	N	-	N	-	-	-	-	Y
CPZ crossbar tile	-	Short	Tall	Tall	-	Tall	Tall	-	-	-	Tall
Title cards	-	-	Silver	Silver	-	Silver	-	-	-	-	Gold
Spindash dust	-	-	N	-	-	-	-	Y	-	-	Y
Sonic sprites	-	P	P	F	F	F	F	F	-	-	F
Tails can fly	-	-	N	Y	-	Y	Y	-	-	-	Y
Tails icon	-	-						-	-	-
2P option	-	N	N	-	N	N	-	Y	Y	-	Y
Special Stage	-	-	N	-	-	-	-	-	-	Y	Y
Boss landing	-	-	|	|	-	-	|	-	-	-	/
Boss defeated facing*	-	-	L	-	-	R	-	-	-	-	L
Boss flyaway facing**	-	-	L	-	-	R	-	-	-	-	R
Boss explosion	-	-	N	-	Y	Y	-	-	-	-	Y
Boss burnt	-	-	N	-	-	N	-	-	-	-	Y

* When EHZ boss is facing left as it takes the final hit, which way does he face after defeated?
** When EHZ boss is facing left as it takes the final hit, which way does his aircraft face as he escapes to the right?