Telefang: Speed Version
Game Boy Color · 2000
About this game
In the year 2020 it has become possible to travel to the Denjuu world using D-Shots, special mobile phones.
Making friends and sharing telephone numbers with Denjuu has become popular among humans.
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The protagonist, Shigeki, despite having originally arrived in the Denjuu world by accident, becomes determined to travel the world with his new Denjuu companion, and make more new friends while he is there.
Keitai Denjuu Telefang (Japanese: 携帯電獣テレファング; Romaji: Keitai Denjuu Terefangu), also known as Telefang 1 (since there are two games in this series), is a video game for Game Boy Color released by Smilesoft in Japan.
It is available in two versions, Power and Speed.
The game was not released in English, and is best known among English audiences for the a bootlegged game version which was hacked and sold as a fake Pokémon game.
About Game Boy Color
The Game Boy Color (1998) added a color screen to the original Game Boy formula while remaining backwards compatible with the entire existing cartridge library. Its colorful, semi-transparent cartridge shells make it a visually distinct platform for shelf collectors, and several late-cycle exclusives — released just before the Game Boy Advance took over — are notably harder to find complete today.
Gamevaro tracks Telefang: Speed Version for Game Boy Color 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 Telefang: Speed Version 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 GBC release dates back to 2000.
Market values by condition
NTSC-J
Recent sales
| Date | Type | Region | Price |
|---|---|---|---|
| 2026-07-08 | Loose / Item only | NTSC-J | €19.98 |
Rarity & condition
Only a handful of market sales have been tracked for Telefang: Speed Version, suggesting it doesn't trade hands very often — a sign of relative scarcity compared to more common Game Boy Color 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.
Frequently asked questions
How much is Telefang: Speed Version worth?
Telefang: Speed Version for Game Boy Color is currently worth €19.98 loose. Prices are based on real sales and update regularly on Gamevaro.
Is Telefang: Speed Version rare?
Telefang: Speed Version has only a handful of tracked market sales, suggesting relative scarcity compared to more common Game Boy Color titles.
What's the difference between loose, CIB and sealed for Telefang: Speed Version?
Loose means cartridge or disc only, CIB (complete in box) includes the original box and manual, and sealed means factory-sealed and never opened. These are tracked as separate market values because the price gap between them can be significant, especially for older releases.
Ratings & Reviews
Also on other platforms
More Game Boy Color games