[1] Reiche had previously worked with designers Jon Freeman and Anne Westfall of Free Fall Associates on the game Archon for EA.

stated that Mail Order Monsters for Commodore 64 was a "very good game" that did not reach "true excellence" because of insufficient combat tactics, and suggested that it was best for younger players.

[4] The magazine later described the game as "pure light-hearted mayhem", with exciting action that partially compensated for "the lack of mental challenge".

[5] Writing in Vintage Games, Bill Loguidice and Matt Barton identify it as a precursor to the Pokémon series.

[6] In a retrospective, Levi Buchanan of IGN said that although he would love to see a remake, any new version, updated to suit modern gamers, would necessarily have to diverge from what made the game unique in 1985.