// Video Games
Alien Syndrome (Sega Master System)Verified
Last updated 13/07/2026
Market value · complete in box
$20
10 real sales · range $15–$41Verified
Price trendmonthly median sold price
LiquidityTrades often6 sold in 60 days
Last sold21d ago60-day median $24
Key facts
✦ AI poweredAI-generated from public knowledge. A helpful guide, verify anything important.
Ungraded · CIB
Real captured sales · monthly medians · hover a point
GradeHighTypicalLowSales
Complete in box$41$20$1510
Boxed$28$24$202
Raw$38$14$712
$20
$28
$20
$41
$34
$20
$28
$15
$27
$15
$29
$19
No captured sales in this grade yet.
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Verifiedreal sold salesEstimatedmarket snapshotNo data yetnever an invented number
A note on prices.Every value here is an estimate, drawn from public sales data and third-party sources. It's a guide, not a valuation or an offer, and it can be incomplete or out of date. Check an item yourself before you buy or sell. Grailsnap can't take responsibility for decisions made on these figures.Market price data sourced in part from PriceCharting.