All 4 in 1 Sachen Multicarts Game Boy (4B-001 - 4B-009)

A-Force Game Boy - Sachen 4 in 1 Multicart 4B-006 - C&M

Mega Duck Game: Snake Roy (1993 Sachen)

Sachen 8 in 1 Game Boy Color cartridge : Matthew Paul Argall

150 in 1 NES - MultiCart English Gameboy Advance (GBA) Gray Edition Game Only (No CASE)

Exploring Sachen's Game Boy Releases – Part I

Vintage Unlicensed Multicart for Gameboy DMG Super 64 in 1 Rare GB

fcgamer's non- Famicom items for sale (updated 10/14/2019)

4 in 1 Volume 2 Details - LaunchBox Games Database

All 4 in 1 Sachen Multicarts Game Boy (4B-001 - 4B-009)

fcgamer finds - Page 13 - Finders Keepers / Losers Weepers - Video