James "Buster" Douglas Knockout Boxing - SEGA Genesis
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- New: Factory-sealed, brand new, and unopened.
- Game Only: a pre-owned copy, includes the original game cartridge or disc only. No case, manual, or inserts are included unless specifically stated. For shipping, you may receive these games in a paper sleeve or an empty game case.
- Game + Case: a pre-owned copy, includes the original game cartridge or disc, plus a case with cover art. For disc-based games, the case may be replaced with a new third-party case if the original is damaged or missing. No reprinted cover art is used.
- Game + Manual: a pre-owned copy, includes the original game cartridge or disc, plus the original instruction manual. No cover art is included unless specifically stated. Disc based games with manual are packaged together in a game case.
- Game + Case + Manual: a pre-owned copy, includes the original game cartridge or disc, plus a case with cover art and the original instruction manual. For disc-based games, the case may be replaced with a clean third-party case if the original is damaged or missing. No reprinted cover art is used.
- Complete (Complete in Box / CIB): a pre-owned copy, includes the original game, original box/case with cover art, original manual, and other extras that were included at retail (if applicable). Inserts may include items like registration cards, posters, warranty slips, promotional materials, bonus CDs, slipcovers, etc. Please see the product description where it may be clear about what's included for that game.
- Cosmetic Flaws: a pre-owned copy, has visible wear from normal use that does not affect gameplay or functionality. These are purely appearance-related imperfections—great for customers who care more about playing than display perfection.
Pre-Owned Items: Unless a product is listed as New, it is considered Pre-Owned. All Pre-Owned games are carefully cleaned, inspected, and prepped for resale. Cartridge games are cleaned on the outside to remove dirt and grime, and also have their contacts cleaned with 99% isopropyl alcohol. Disc games are resurfaced using a professional-grade ECO-Master disc repair system when needed. All items are fully functional and backed by the Bitjump Games Pre-Owned Guarantee. Learn more about our pre-owned game refurbishment process.
Variant Note: Unless specifically stated otherwise, you may receive any standard retail variant of the game (including releases such as Player’s Choice, Selects, Greatest Hits, or Platinum Hits). If you have a preference, leave a note at checkout or email us at contact@bitjumpgames.com before placing your order.
Description
Description
Step into the ring with the man who shocked the world! James "Buster" Douglas Knockout Boxing for the Sega Genesis brings the raw power and intensity of professional boxing home. Released following Douglas's historic upset victory over Mike Tyson, this title is a mandatory essential for sports historians and Genesis collectors who want to experience a definitive era of 16-bit heavyweight action on original hardware.
Ditch the simple brawlers and master the tactical nuances of the sweet science. In Knockout Boxing, you take control of the champ himself or a variety of challenging contenders in a quest for the belt. The gameplay is a masterclass in rhythmic 16-bit combat; you’ll need to balance your stamina, utilize quick jabs to find openings, and unleash devastating power punches to send your opponent to the canvas. The Genesis version is highly regarded for its large, detailed sprites and smooth animation that captures the weight of every blow. Featuring a behind-the-shoulder perspective that places you right in the center of the action, you must master defensive slips and counter-punching to survive the later rounds. Whether you’re defending your title in the Championship mode or challenging a friend in local multiplayer, this title delivers a visceral and rewardingly technical 16-bit boxing experience. Lace up the gloves and show them why you’re the Greatest—this title delivers the ultimate heavyweight showdown on your original Sega hardware.
The Bitjump Standard
This original Sega Genesis title is processed and shipped from our shop in Provo, Utah:
- Authentic Sega/Taito Cartridge: Guaranteed original 1990 hardware published by SEGA for the Genesis (Model 1, 2, or 3) and Nomad.
- Historic Sports Era: Play the game that immortalized one of the greatest upsets in sports history, featuring James "Buster" Douglas at the peak of his career.
- Professionally Cleaned: Every cartridge is meticulously inspected, the outer shell is grime-removed, and contacts are polished with 99% isopropyl alcohol to ensure instant start-up.
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Select Your Condition: Choose the tier that fits your collection:
- Game Only: Original Sega Genesis cartridge only.
- Game + Case: Original cartridge and original hardshell clamshell case.
- Game + Case + Manual: The original cartridge, case, and instruction manual.
- Bitjump Guarantee: All pre-owned software is fully functional and backed by our 90-day warranty for total peace of mind.
Specifications
Specifications
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Warranty & Returns
Warranty & Returns
🎖️ The Bitjump Pre-Owned Guarantee
- Authenticity you can trust – We only sell 100% genuine games and gear. Every item is inspected before sale — no reproductions, bootlegs, or counterfeit copies.
- Cleaned and Ready – Every pre-owned item is cleaned, inspected, and carefully packaged to stay protected until it reaches you. Learn more about our refurbishment process.
- Warranty & Returns – All pre-owned items are backed by our 90-day guarantee. If a pre-owned game, console, or accessory fails during normal use within 90 days of delivery (or in-store purchase), we’ll help resolve the issue with an exchange for the same item or store credit. Read full details about our warranty and refund policy.
Sell Games, Cards, & More for Cash
Sell Games, Cards, & More for Cash
Have games, consoles, accessories, or even trading cards you’re no longer using? Bring them to Bitjump Games and turn them into in-store credit you can use toward your next purchase. We’re always buying a wide range of video game items, from retro classics to modern releases, and offer competitive values based on current demand. It’s a simple way to refresh your collection while getting more out of what you already own. Learn more about our trade in and buy back program.


