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A pretty fun racing game. It sure is fun to fly off-course!

Graphics: 4 Sound: 3 Replay Value: 3 Notes: 1- or 2-player game; first Intellivision game with customizable course layout Screen Shots

Unlike Auto Racing, which let you go far off track to explore the globe upon which all the tracks were laid out, Motocross forced your bike back onto the track if you strayed. But, for that price, you got one of the coolest features - you could design your own courses! Memory tells me this was the first (and one of a very few) game you could customize in such a way. The graphics and physics are solid, while the sound is pretty basic.

A total of four Motocross box variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	Mattel Electronics	3411-0210	1983	Singapore	Copyright info printed on back; opens on bottom flap—not a book-style box; has barcode on back
	Intellivision Inc.	3411-0210	1983	U.S.A.	Standard Intellivision, Inc. box; bottom flap has full Mattel part number; does not have the 'FOR 1 OR 2 PLAYERS' text on front; game title and Intellivision logo on bottom
	Intellivision Inc.	3411-0210	1983	U.S.A.	Standard Intellivision, Inc. box; bottom flap has full Mattel part number; has 'FOR 1 OR 2 PLAYERS' text on front; game title and Intellivision logo on bottom
Image not available.	Intellivision Inc.	3411-0210	1983	U.S.A.	Standard Intellivision, Inc. box; bottom flap has full Mattel part number; has FOR 1 OR 2 PLAYERS on front; UPC bar code and Intellivision logo on bottom

Some details of the differences between the various Motocross box variants.

In addition to the UPC being removed from the back of the box, the box variants by Intellivision, Inc. vary not only in the presence of the 'FOR 1 OR 2 PLAYERS' text on the front of the box, but also by what's displayed on the bottom flap of the box.

A total of three Motocross manual variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	Mattel Electronics	3411-0920	1983	U.S.A.
Image not available.	Mattel Electronics	N/A	1983	U.S.A.	NOTE: no part number on front or back; found in box of PlayCable manuals (though many were standard manuals)—so the natural question is: was this a PlayCable manual?
	Intellivision Inc.	3411-0920	None	U.S.A.	Accordian-style folding

A total of two Motocross overlay variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	mattel	3411-4289	1983	U.S.A.
	intellivisioninc	3411-4289	None		Copyright has been removed; both plastic and paper versions exist

A total of four Motocross label variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	Mattel Electronics	N/A	1982	Singapore	Origin lower left; © M.I. 1982 right of origin; smaller label, rounded corners
	Intellivision Inc.	N/A	1983	Singapore	Origin lower right; © I.I. 1983 to left of origin; ™ small, centered vertically on right edge; smaller label, rounded corners
Image not available.	Intellivision Inc.	N/A	1983		Date lower right; no copyright, origin; larger label, square corners; submitted by Hankster
	Intellivision Inc.	N/A	None		No origin, copyright or date info; larger label, square corners; large bold font for game title

	Title screen for Motocross.
	Nice-looking racetrack and surroundings. Too bad you can't go off-road though.

If you find new, contradictory, or other information you wish to share, please let me know!