Question: What other game created by Silver Age Sentinels is referred to by the acronym BESM?

Context paragraphs:
Silver Age of Russian Poetry: Silver Age is a term traditionally applied by Russian philologists to the last decade of the 19th century and first two or three decades of the 20th century.  It was an exceptionally creative period in the history of Russian poetry, on par with the Golden Age a century earlier.  The term "Silver Age" was first suggested by philosopher Nikolai Berdyaev, but it only became customary to refer thus to this era in literature in the 1960s.  In the Western world other terms, including "Fin de siècle" and "Belle Époque", are somewhat more popular.

Hawkman (Katar Hol): Hawkman (Katar Hol) is a DC Comics superhero.  He is the Silver Age, Bronze Age, and current Hawkman.  Created by Gardner Fox and Joe Kubert, he first appeared in "The Brave and the Bold" #34 (February–March 1961).  There are 2 versions of Katar Hol, the Silver Age version and the post-"Hawkworld" version.

Agamemno: Agamemno is a fictional character, a supervillain in the DC Comics universe.  He first appeared in "Silver Age" #1 (July 2000) during the "Silver Age" event (a series of Silver Age styled one-shots of which he was the chief antagonist).  He was created by Mark Waid.

Earth-One: Earth-One (also Earth-1) is a name given to two fictional universes (The Pre-Crisis and Post-Crisis versions of the same universe) that have appeared in American comic book stories published by DC Comics.  The first Earth-One was given its name in "Justice League of America" #21 (August 1963), after "The Flash" #123 (September 1961) explained how Golden Age (Earth-Two) versions of characters such as the Flash (Jay Garrick) could appear in stories with their Silver Age counterparts (Barry Allen).  This Earth-One continuity included the DC Silver Age heroes, including the Justice League of America.  Earth-One, along with the four other surviving Earths of the DC Multiverse, are merged into one in the 1985 miniseries "Crisis on Infinite Earths".  This Earth's versions of characters were primarily the Earth-One versions (i.e. Superman, Batman), but some characters from the four other worlds were also "folded" in.  In "Infinite Crisis", Earth-One was resurrected and merged with the primary Earth of the publication era to create a New Earth that brought back more aspects of Earth-One's original history.  In 2007, a new version of Earth-One was created in the aftermath of events that occurred within the " 52" series.

Superman (Earth-One): The Superman of Earth-One is the incarnation of Superman that existed during the Silver Age and Bronze Age publications of DC Comics.  He is also known by the following names: Silver Age Superman and Pre-Crisis Superman.

Omlevex: Omlevex is a superhero role-playing game supplement published by Z-Man Games and Spectrum Games.  The game mechanics are compatible with "Champions", "Silver Age Sentinels", and "Mutants & Masterminds".

Big Eyes, Small Mouth: Big Eyes, Small Mouth is a tabletop role-playing game that was designed to simulate the action of anime and manga.  It is frequently referred to by the acronym BESM.  The title alludes to the common anime drawing style of characters with huge, expressive eyes and comparatively small mouths.

Russian literature: Russian literature refers to the literature of Russia and its émigrés and to the Russian-language literature of several independent nations once a part of what was historically Rus', the Russian Empire or the Soviet Union.  The roots of Russian literature can be traced to the Middle Ages, when epics and chronicles in Old Russian were composed.  By the Age of Enlightenment, literature had grown in importance, and from the early 1830s, Russian literature underwent an astounding golden age in poetry, prose and drama.  Romanticism permitted a flowering of poetic talent: Vasily Zhukovsky and later his protégé Alexander Pushkin came to the fore.  Prose was flourishing as well.  The first great Russian novelist was Nikolai Gogol.  Then came Ivan Turgenev, who mastered both short stories and novels.  Leo Tolstoy and Fyodor Dostoyevsky soon became internationally renowned.  In the second half of the century Anton Chekhov excelled in short stories and became a leading dramatist.  The beginning of the 20th century ranks as the Silver Age of Russian poetry.  The poets most often associated with the "Silver Age" are Konstantin Balmont, Valery Bryusov, Alexander Blok, Anna Akhmatova, Nikolay Gumilyov, Osip Mandelstam, Sergei Yesenin, Vladimir Mayakovsky, Marina Tsvetaeva and Boris Pasternak.  This era produced some first-rate novelists and short-story writers, such as Aleksandr Kuprin, Nobel Prize winner Ivan Bunin, Leonid Andreyev, Fyodor Sologub, Aleksey Remizov, Yevgeny Zamyatin, Dmitry Merezhkovsky and Andrei Bely.

Larisa Novoseltseva: Larisa Novoseltseva (Russian: Лариса Новосельцева ) is a Russian singer-songwriter, composer, performer of Russian and Ukrainian folk songs and romances, and creator of project "Return of the Silver Age".  She is author of music and performer of songs and ballads on poems by more than forty Russian poets, mostly of the Silver Age, such as Osip Mandelstam, Nikolay Gumilev, Boris Pasternak,Marina Tsvetaeva, Maksimilian Voloshin, Konstantin Balmont, Alexander Vertinsky and many others, including Bella Akhmadulina who, according to Novoseltseva, can be viewed as the last poet of Silver Age based on her poetic language and style.  Novoseltseva created more than 300 songs and published more than 20 music albums.  She usually performs solo using guitar or piano for the accompaniment.  More recently, she frequently appears with violinist Michael Czerwinski

Silver Age Sentinels: Silver Age Sentinels is a superhero role-playing game (RPG) published in 2002 by Guardians of Order, creators of "Big Eyes, Small Mouth", an anime-themed RPG.

Supporting paragraphs: Silver Age Sentinels Big Eyes, Small Mouth
Answer: Big Eyes, Small Mouth