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Alien Syndrome (Game Gear) cover art

Game Gear · 1992

Alien Syndrome

versionPALNTSC-UNTSC-J
~€121
Loose, cart only
best guess · only 1 sale · rate with caution
○ best guess · 1 sale
◀ 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 Loose on eBay 🇮🇹 ↳ auto-set to your region · change anytime

Alien Syndrome (Game Gear, NTSC-J) sells for about ~€121 loose (1 sale, best guess). Other versions: PAL · NTSC-U.

Why ~€121 for loose?

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

Sales behind it1Loose sale of the Japanese version Middle half €121 to €121 · highest recorded €121
How sure we are○ Best guessOnly 1 sale so far: a best guess, marked with ~. Rated best guess.How prices are rated →
Version matters
US~€36
PAL€17
Japanese~€121
A Japanese copy sells for 7.2× a PAL one. Never averaged together.

On eBay right now: Loose

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Check the latest Loose copies on eBay 🇮🇹
sells for ~€121
€121
quick sale · auction
€121
mint · highest recorded sale

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

⚠ Held back: our CIB sold data looked misclassified (priced below a lower condition). We withhold a number we don't trust rather than show it: the exact thing that makes other guides unreliable.

From collectors

What collectors paid for Alien Syndrome

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What is Alien Syndrome (Game Gear) worth?

    
Alien Syndrome on Game Gear 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 Alien Syndrome (Game Gear) worth?
Alien Syndrome (Game Gear, NTSC-J) sells for about ~€121 loose (1 sale, best guess). These are sold-price estimates for the NTSC-J version; the PAL and NTSC-U versions are priced separately.
Is a loose Alien Syndrome cart worth anything?
A loose NTSC-J cart sells for about ~€121 (1 sale, best guess).
Are PAL, NTSC-U and NTSC-J Alien Syndrome prices different?
Yes. Each version sells in its own market, so we price them separately and never average them together. This page is the NTSC-J version; the PAL and NTSC-U versions have their own page.

  

  

    
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/gg/alien-syndrome.md the prices as an intents.md feed ·
    /game/gg/alien-syndrome/intents.md open buy/sell intents ·
    /api/price JSON ·
    /mcp · /agents.md