Altered Space: A 3-D Alien Adventure

In Altered Space the player controls an astronaut named Humphrey who is being held captive in the spaceship of the alien race of Zaks.

The goal is to navigate through a series of puzzle based rooms and eventually escape captivity.

The original Game Boy (1989) proved that handheld gaming didn't need cutting-edge graphics to succeed — its monochrome screen and legendary battery life, combined with Tetris as a pack-in, made it a cultural phenomenon. Game Boy cartridges are famously durable, so this remains one of the more accessible retro platforms to collect, though translucent color variants and complete-in-box copies with the original brick-sized manual add real value for condition-focused collectors.

Gamevaro tracks Altered Space: A 3-D Alien Adventure for Game Boy with separate market values for loose, complete-in-box (CIB) and factory-sealed copies, sourced from real eBay sales. Prices also vary by region — PAL, NTSC-U and NTSC-J releases of the same game often sell for different amounts due to print run sizes and regional collector demand.

Adding Altered Space: A 3-D Alien Adventure to a Gamevaro collection takes seconds — search by title or scan the box barcode, and the app fills in cover art, release details and current pricing automatically. This GB release dates back to 1991.

Market insights

Only a handful of market sales have been tracked for Altered Space: A 3-D Alien Adventure, suggesting it doesn't trade hands very often — a sign of relative scarcity compared to more common Game Boy titles.

Complete-in-box (CIB) copies typically command a premium over loose cartridges/discs because the original box and manual are more fragile and get discarded or damaged over time — fewer complete sets survive.

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