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Altered Beast: Guardian of the Realms, Game Boy Advance box front

Altered Beast: Guardian of the Realms

Game Boy Advance Franchise: Altered Beast Sega, THQ, 3d6 Games

Complete
$66
Sealed
$149
Sales
2in 90 days

Market value

$16–$26 typical$19.195+ sales in 90 days
$16 $26
Liquidity 60 of 100

5 sold in 90 days · sells in about 3 days · around 10 listed now

Medium confidence

5+ sales, newest Nov 1 · few sales

Sales history

5 recorded loose sales of Altered Beast: Guardian of the Realms, every region, newest first
Sold Listing Region Edition Condition Price Feedback
Nov 1, 2026 sold in 7 weeks Altered Beast Guardian of the Realms (Nintendo GameBoy Advance, 2002) Cart Only Nov 1, 2026NTSC · Standard NTSC Standard Loose $28.99 eBay
Oct 27, 2026 sold in 4 days Altered Beast Guardian of the Realms (Nintendo GameBoy Advance) GBA USA Oct 27, 2026NTSC · Standard NTSC Standard Loose $19.99 eBay · Offer accepted asking price shown
Oct 24, 2026 sold in 3 days Jogo Altered Beast: Guardian of the Realms Game Boy Advance Oct 24, 2026PAL · Standard PAL Standard Loose $22.39 Vinted
Oct 22, 2026 sold in 6 days Altered Beast Guardian of the Realms Game Boy Advance 2002, Tested Working Oct 22, 2026NTSC · Standard NTSC Standard Loose $19.99 eBay
Oct 19, 2026 sold in 2 weeks Altered Beast Guardian of the Realms Nintendo Game Boy Advance Cartridge TESTED Oct 19, 2026NTSC · Standard NTSC Standard Loose $15.99 eBay

Photos

NTSC

  • Altered Beast: Guardian of the Realms Game Boy Advance, NTSC cartridge label
    Cartridge label

Frequently asked

How much is Altered Beast: Guardian of the Realms worth on the Game Boy Advance?

Two complete copies have sold, for $65.25 and $66. A loose cartridge sells for $16 to $26.

How quickly does Altered Beast: Guardian of the Realms sell?

Around 2 copies sell per month. The cheapest listings sell within about 3 days, and around 10 are listed right now.

How is sales data gathered?

We retrieve listing information through eBay alerts and Vinted alerts provided by GrailHound and apply image recognition and text processing to link marketplace listings to games.

Who made Altered Beast: Guardian of the Realms?

Published by Sega and THQ and developed by 3d6 Games.