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Music solves everything, even a monster slime infestation! DJ Mark and Nerdy Billy had been friends for years. But this friendship was strained when Billy was not invited to a big uptown teenage party where Mark was hired to work as a disc jockey. Being an inventor and somewhat crazy scientist, Billy discovered a way to ruin the party for everyone by creating monster slimes that would scare all the party-goers away. But soon after launching his master plan, Billy had a change of hearts, and he asked DJ Mark to help him fix things before the party starts. Billy gave Mark a powerful weapon against the slimes: A music box that can deliver a sonic explosion that exterminates slimes on contact! But the sonic blast is so strong that it can also knock out Mark himself! So now it's up to DJ Mark to carefully take care of this slime infestation! Don't let the slimes touch DJ Mark, or his happy tune will end abruptly!
Our algorithm tracks 414 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 414 verified transactions
Currently, the value of a Complete In Box (CIB) copy of Booming Boy is estimated around $58.15. For collectors looking for a Loose copy, transactions usually happen around $30.36. The price gap suggests that the box is relatively common.
Released on Colecovision, this title is an interesting piece for any Colecovision collector. The price is currently attractive compared to its historical average.
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Music solves everything, even a monster slime infestation! DJ Mark and Nerdy Billy had been friends for years. But this friendship was strained when Billy was not invited to a big uptown teenage party where Mark was hired to work as a disc jockey. Being an inventor and somewhat crazy scientist, Billy discovered a way to ruin the party for everyone by creating monster slimes that would scare all the party-goers away. But soon after launching his master plan, Billy had a change of hearts, and he asked DJ Mark to help him fix things before the party starts. Billy gave Mark a powerful weapon against the slimes: A music box that can deliver a sonic explosion that exterminates slimes on contact! But the sonic blast is so strong that it can also knock out Mark himself! So now it's up to DJ Mark to carefully take care of this slime infestation! Don't let the slimes touch DJ Mark, or his happy tune will end abruptly!
Our algorithm tracks 414 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 414 verified transactions