What is the approximate resale value for Project S-11 [Modretro] in complete-in-box condition?

A complete-in-box copy of Project S-11 [Modretro] is valued around $35.

How much more is a sealed copy worth compared to a used copy?

A sealed copy of Project S-11 [Modretro] sells for $53, compared to $35 for a complete-in-box version.

Is Project S-11 [Modretro] considered a high-value collectible on Game Boy Color?

Based on the listed prices, the game maintains a steady resale value, with sealed copies fetching $53.

Project S-11 [Modretro] — Game Boy Color Price & Value

Name: Project S-11 [Modretro] — Game Boy Color Price & Value
Brand: Game

Game Boy Color

What Project S-11 [Modretro] for Game Boy Color is worth — loose cart, complete in box, and sealed.

Project S-11 [Modretro] value — Complete (CIB) $35 · Sealed (new) $53 · Graded (WATA/CGC) $58. Prices updated July 2026.

Platform · Game Boy Color

Live on eBay now

See current eBay listings

Complete-in-box price history

Monthly CIB value, based on sold comps.

See the actual sold listings on eBay ↗

Live on eBay right now

Which version do you have?

If you just want the Project S-11, buy the Standard version for $161. The Modretro version at $35 offers a distinct, modified aesthetic, making it a collector's piece rather than just a basic copy. Save your money and stick to Standard unless the unique look of the Modretro is what you are seeking.

VersionUsedNewBuy

StandardProject S-11 — Game Boy Color Price & Value$160.52$257eBay ↗

Modretro— this pageProject S-11 [Modretro] — Game Boy Color Price & Value$34.65$52.95eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

▍

Price data verified against · 1

PriceCharting — Project S-11 [Modretro] (Game Boy Color)$34.65

Game details

Brand: Game
Platform: Game Boy Color

Project S-11 [Modretro] (Game Boy Color) resale value

A loose copy of Project S-11 [Modretro] averages around null. A complete-in-box (CIB) copy — game, box, and manual — runs about $35, and a factory-sealed copy commands $53.

What drives the price

Condition is everything: a clean, unscratched label, an intact box without crushing, and the original manual can swing the value 30–50%. Test that the game works before you buy or sell.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

Shop this on eBay ↗

Condition	Value	Based on
Complete (CIB)	$35	eBay sold comps
Sealed (new)	$53	eBay sold comps
Graded (WATA/CGC)	$58	eBay sold comps

Frequently asked questions

What is the approximate resale value for Project S-11 [Modretro] in complete-in-box condition?: A complete-in-box copy of Project S-11 [Modretro] is valued around $35.
How much more is a sealed copy worth compared to a used copy?: A sealed copy of Project S-11 [Modretro] sells for $53, compared to $35 for a complete-in-box version.
Is Project S-11 [Modretro] considered a high-value collectible on Game Boy Color?: Based on the listed prices, the game maintains a steady resale value, with sealed copies fetching $53.