Knockout Kings
Game Boy Color
- Region
- NTSC
- Complete
- $16
- Sales in 90 days
- 1in 90 days
- Region
- PAL
- Complete
- $6
- Sales in 90 days
- 1in 90 days
Variants
Market value
$6
$6.33one sale, Oct 16
Liquidity 20 of 100
1 sold in 90 days · 5 listed now
No trend yet
sales since Oct 2026
Low confidence
1 sale, newest Oct 16 · few sales
Sales history
| Sold | Listing | Region | Edition | Condition | Price | Feedback | |
|---|---|---|---|---|---|---|---|
| Oct 16, 2026 sold in 7 days |
|
Knockout Kings Nintendo Game Boy Color PAL 1999 Boxed Complete w/ Manual | PAL | Standard | Complete |
|
|
Photos
NTSC
-
Front -
Back -
Cartridge label
PAL
-
Front -
Back -
Cartridge label
Frequently asked
How much is Knockout Kings worth on the Game Boy Color?
One complete copy has sold in PAL (EU, UK, Australia), for $6.33 on October 16, 2026.
How do I tell which copy I have?
Look at the rating badge on the front of the box.
- An ESRB box, black and white with a letter in it, means a North American copy. Canadian copies have the same front with a bilingual back.
- A PEGI square with the age in it means a European copy.
How quickly does Knockout Kings sell?
One copy sold in the last 90 days. Five 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.