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Another decent adaptation of a relatively obscure Data East arcade game.

Graphics: 5 Sound: 4 Replay Value: 3 Notes: 1-player only; Easter Egg Screen Shots

Not being familiar with the arcade version of this game, all I can really do here is judge the game on its Intellivision merits. Mission X is a vertical scroller (like Bump 'n' Jump), and has good graphics and sound effects. Similar to the classic Xevious, but set during World War II (1942 I think?), you pilot a fighter/bomber on missions to take out enemy targets.

Unlike B-17 Bomber, Mission X is purely action - you bomb and shoot your targets. Except for the enemy fighters and their missiles, your primary action will be to bomb ships, bridges, tanks, trains, and anti-aircraft batteries. The game has a nice altitude effect, and is visually solid. Ultimately, though, there isn't as much personality or originality to this game as you have in Bump 'n' Jump, nor any other truly stunning properties (like the Lock 'n' Chase sound effects, IMHO). So, while this game rates well for graphics and sound, it's middle-of-the-road in terms of durability.

A total of four Mission X box variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	Mattel Electronics	4437-0910	1983	Singapore	Possibly initial version—has book-style box; plastic tray
	Mattel Electronics	4437-0210	1982		Origin is not printed on box, but generic copyright info printed on back; opens on bottom flap—not a book-style box; has barcode on back
	Mattel Electronics	4437	1982	Singapore	International Edition; plastic tray; no specific part number visible; French copyright info on top; © Mattel, Inc. Hawthorne, CA on bottom; English, German, Italian, Spanish and French text on back of box; image submitted by scoubidou
	Intellivision Inc.	4437-0210	1983	Singapore	Standard Intellivision, Inc. box; bottom flap has full Mattel part number; also has © 1982 Data East USA, Inc. on back

A total of five Mission X manual variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	Mattel Electronics	4437-0920	1983	U.S.A.
Image not available.	Mattel Electronics	4437-0920	1983	Hong Kong
	Mattel Electronics	4437-0018	1982	Hong Kong	International Edition; English, German, Italian, Spanish and French; image courtesy of Scoubidou
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.	4437-0920	1982	U.S.A.	Accordian-style folding; 1982 is from the Data East USA, Inc. copyright info on front cover

Only one version of the overlay has been found for Mission X.

Image	Vendor	Part Number	Year	Origin	Description
	mattel	4437-4289	1983	U.S.A.

A total of four Mission X label variants have been documented.

Image	Vendor	Part Number	Year	Origin	Description
	Mattel Electronics	N/A	1982	Singapore	Origin lower left; © M.I. 1982; © 1982 Data East USA, Inc. right of origin; ™ upper right; smaller label, rounded corners
	Mattel Electronics	N/A	1982	Singapore	Origin lower left; © M.I. 1982; © 1982 Data East USA, Inc. right of origin; ™ upper right; larger label, square corners
	Mattel Electronics	4437-0340	1982	U.S.A.	Odd, odd label—black & white, but has Mattel copyright and a part number; origin lower left; © M.I. 1982; © 1982 Data East USA, Inc. lower right; ™ upper right; larger label, square 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; also has © 1982 Data East U.S.A., Inc. upper left

The black & white version with the part number on it is of indeterminate origin. The print quality is excellent, and it's definitely old enough, judging by the paper. The question is: is this a homemade sticker? If so, the layout is extremely precise and it's printed very nicely. The label isn't the standard size, either, but it does have what appears to be a Mattel part number on it. Or, was this stock from when Intellivision, Inc. tried to avoid shipping games in boxes? Can anyone out there shed light on this? Sadly, my copy of Mission X with this label seems to be defective.

	Nice copyright symbols!
	Not being familiar with the arcade version of the game, I can't say how faithful it really is.

Credit: The Intellivision Lives site

Left Controller: Press and hold: [9]
Right Controller: Press and hold: [6]
Press Reset
Easter Egg: The title screen shows the programmer's name:

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