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Mega Man Battle Network 6: Cybeast Gregar (Game Boy Advance) cover art

Game Boy Advance · 2006

Mega Man Battle Network 6: Cybeast Gregar

versionNTSC-U

#28 most valuable Game Boy Advance game · US version, boxed →

€147
CIB, complete in box
sold €144 to €151 · highest recorded sale €179Cardboard box: its condition moves the price most
◐ good sample · 6 sales
◀ common · cheaperdrag, tap or use ← → · every condition priced & ratedrarer · pricier ▶
Sold prices are US-dollar sales, shown in EUR at the 2026-10-23 ECB reference rate (US$1 = €0.89).

These are estimates from online sold-price data, across all regions. They’re a guide, not an offer: a game is worth what someone pays for it, and shops, markets and local sales can be higher or lower. Condition, photos and the seller’s reputation move a price within the range.

Search CIB on eBay 🇫🇷 ↳ auto-set to your region · change anytime

Mega Man Battle Network 6: Cybeast Gregar (Game Boy Advance, NTSC-U) sells for about €147 complete in box (6 sales, good sample), ~€36 loose.

Why €147 for cib?

every factor, from real sales · changes with the condition you pick

Sales behind it6CIB sales of the US version Middle half €144 to €151 · highest recorded €179
How sure we are◐ Good sample6 sales: enough for a fair price, not yet a tight one. Rated good.How prices are rated →
Condition ladder
Loose€36 
CIB€1474.1× loose
The same game, the same version: what the box, the manual and the seal add.
Complete it yourself
€36+~€134+~€7=€177
A loose copy plus an original box and manual bought on their own, against €147 for a complete copy. Box and manual prices →
Where it ranks#28most valuable Game Boy Advance game, US version, boxed.See the list →

On eBay right now: CIB

0 live · FR · refreshed just now

Check the latest CIB copies on eBay 🇫🇷
sells for €147
€144
quick sale · auction
€179
mint · highest recorded sale

Asks run higher than final sales. The green mark is what a CIB copy actually sells for. Click any listing to verify and buy on your own eBay.

Complete your copy

US version · original parts on their own

Missing the box?~€134Box only · middle half €134 to €134○ best guess · 1 saleFind one on eBay 🇫🇷 →
Missing the manual?~€7Manual only · middle half €7 to €7○ best guess · 1 saleFind one on eBay 🇫🇷 →

Original boxes and manuals sold without the game. Reproductions and replacements are left out, and a part never counts as a copy of the game.

From collectors

What collectors paid for Mega Man Battle Network 6: Cybeast Gregar

Sales collectors logged themselves, each checked by a person before it shows. Their number in their money: never mixed into our estimate.

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Mega Man Battle Network 6: Cybeast Gregar · Game Boy Advance

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Mega Man Battle Network 6: Cybeast Gregar · Game Boy Advance

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What is Mega Man Battle Network 6: Cybeast Gregar (Game Boy Advance) worth?

    
Mega Man Battle Network 6: Cybeast Gregar on Game Boy Advance is estimated here by condition and region from sold-price data, each rated for confidence. Loose carts, complete-in-box (CIB), sealed and graded copies each sell for very different amounts, and PAL and NTSC are separate markets we never average together.

    
How much is Mega Man Battle Network 6: Cybeast Gregar (Game Boy Advance) worth?
Mega Man Battle Network 6: Cybeast Gregar (Game Boy Advance, NTSC-U) sells for about €147 complete in box (6 sales, good sample), ~€36 loose. These are sold-price estimates for the NTSC-U version.
Is a loose Mega Man Battle Network 6: Cybeast Gregar cart worth anything?
A loose NTSC-U cart sells for about ~€36 (4 sales, best guess). A complete-in-box copy sells for about €147.

  

  

    
How this number is made, and why it's better. Sold-price estimates, split by region & condition, cleaned of bootlegs and bundles with every exclusion shown, plus specialist pricing on the games we know deeply. Every condition gets a price, honestly rated. Live eBay asks shown separately, and the buy link goes to your own country's eBay. Full methodology →

    
  • a price on every condition
  • each rated for confidence
  • region & language split
  • exclusions shown
  • your local eBay
  • same number for everyone

  

  
For AI agents: this page as data

    /game/gba/mega-man-battle-network-6-cybeast-gregar.md the prices as an intents.md feed ·
    /game/gba/mega-man-battle-network-6-cybeast-gregar/intents.md open buy/sell intents ·
    /api/price JSON ·
    /mcp · /agents.md