Quite a few to save for this game and for some good reasons, but continuing along with a double-feature:
BETAZOIDS & THE Q: “Encounter At Farpoint”, TNG Season 1
Troi was used fairly well and in ways that were specialty to Troi, that nobody else on ship could begin to figure out.
And then there's Q. That Q. Uncompromisin', enterprisin', anything but traqulizin' Right on Q!!!
It's that simple.
What remains:
ANDROIDS/SYNTHETICS: “What Are Little Girls Made Of?”, TOS Season 1
GORN: “Arena”, TOS Season 1
COMPUTER AI’S RUN AMOK: “The Return Of The Archons”, TOS Season 1
AUGMENTS: “Space Seed”, TOS Season 1
HORTA: “The Devil In The Dark”, TOS Season 1
TRIBBLES: “The Trouble With Tribbles”, TOS Season 2
ENORMOUS SPACE DWELLING ORGANISMS: "The Immunity Syndrome", TOS Season 2
EDOSIANS: “Beyond The Farthest Star”, TAS Season 1
CAITIANS: “The Survivor”, TAS Season 1
THE KZINTI: “The Slaver Weapon”, TAS Season 1
DELTANS & SAURIANS: “Star Trek: The Motion Picture”, TOS Feature
EFROSIANS: “Star Trek IV: The Voyager Home”, TOS Feature
FERENGI: “The Last Outpost”, TNG Season 1
THE TRAVELER'S SPECIES: "Where No One Has Gone Before", TNG Season 1
THE ANTICANS & THE SELAY: “Lonely Among Us”, TNG Season 1
MR. HOMN’S SPECIES: “Haven”, TNG Season 1
HOLOGRAMS THAT BECOME SELF-AWARE/REAL/HAVE THEIR SAFETIES TURNED OFF: “The Big Goodbye”, TNG Season 1
BENZITES: “Coming Of Age”, TNG Season 1
BOLIANS & THE ALIEN PARASITES: “Conspiracy”, TNG Season 1
EL-AURIANS: “The Child”, TNG Season 2
PAKLEDS: “Samaritan Snare”, TNG Season 2
BARZAN: “The Price”, TNG Season 3
RISANS: “Captain’s Holiday”, TNG Season 3
TRILL: “The Host”, TNG Season 4
BAJORANS: “Ensign Ro”, TNG Season 5
KTARIANS: “The Game”, TNG Seson 5
CORVALLENS: "Face Of The Enemy", TNG Season 6
YRIDIANS: “Birthright, Part 1”, TNG Season 6
THE SON’A: “Star Trek: Insurrection”, TNG Feature
REMANS: “Star Trek Nemesis”, TNG Feature
BOSLICS: “Babel”, DS9 Season 1
HUPYRIANS: “The Nagus”, DS9 Season 1
DOPTERIANS: "The Forsaken", DS9 Season 1
KOBHEERIANS: "Duet", DS9 Season 1
THE FOUNDERS & THE KAREMMA: “The Search, Part 1”, DS9 Season 3
LETHEANS: “Distant Voices”, DS9 Season 3
BREEN: “Indiscretion”, DS9 Season 4
THE PAH-WRAITHS: “The Assignment”, DS9 Season 5
MALON: “Night”, VOY Season 5
THE OVERLOOKERS: “Tinker Tenor Doctor Spy”, VOY Season 6
VAADWAUR: “Dragon’s Teeth”, VOY Season 6
BRUNALI, WYSANTI, & NORCADIANS: “Collective”, VOY Season 6
SULIBAN & DENOBULANS: “Broken Bow”, ENT Season 1
THE XINDI: “The Xindi”, ENT Season 3
THE SPHERE BUILDERS: “Harbinger”, ENT Season 3
KEENSER’S SPECIES: “Star Trek”, Kelvin Feature
KELPIENS: “The Vulcan Hello”, DIS Season 1
TARDIGRADES: "Context Is For Kings", DIS Season 1
THE JAHSEPP: “An Obol For Charon”, DIS Season 2
THE BA’UL: “The Sound Of Thunder”, DIS Season 2
XAHEANS: “Runaway”, ST Season 1
BETAZOIDS & THE Q: “Encounter At Farpoint”, TNG Season 1
Troi was used fairly well and in ways that were specialty to Troi, that nobody else on ship could begin to figure out.
And then there's Q. That Q. Uncompromisin', enterprisin', anything but traqulizin' Right on Q!!!
It's that simple.

What remains:
ANDROIDS/SYNTHETICS: “What Are Little Girls Made Of?”, TOS Season 1
GORN: “Arena”, TOS Season 1
COMPUTER AI’S RUN AMOK: “The Return Of The Archons”, TOS Season 1
AUGMENTS: “Space Seed”, TOS Season 1
HORTA: “The Devil In The Dark”, TOS Season 1
TRIBBLES: “The Trouble With Tribbles”, TOS Season 2
ENORMOUS SPACE DWELLING ORGANISMS: "The Immunity Syndrome", TOS Season 2
EDOSIANS: “Beyond The Farthest Star”, TAS Season 1
CAITIANS: “The Survivor”, TAS Season 1
THE KZINTI: “The Slaver Weapon”, TAS Season 1
DELTANS & SAURIANS: “Star Trek: The Motion Picture”, TOS Feature
EFROSIANS: “Star Trek IV: The Voyager Home”, TOS Feature
FERENGI: “The Last Outpost”, TNG Season 1
THE TRAVELER'S SPECIES: "Where No One Has Gone Before", TNG Season 1
THE ANTICANS & THE SELAY: “Lonely Among Us”, TNG Season 1
MR. HOMN’S SPECIES: “Haven”, TNG Season 1
HOLOGRAMS THAT BECOME SELF-AWARE/REAL/HAVE THEIR SAFETIES TURNED OFF: “The Big Goodbye”, TNG Season 1
BENZITES: “Coming Of Age”, TNG Season 1
BOLIANS & THE ALIEN PARASITES: “Conspiracy”, TNG Season 1
EL-AURIANS: “The Child”, TNG Season 2
PAKLEDS: “Samaritan Snare”, TNG Season 2
BARZAN: “The Price”, TNG Season 3
RISANS: “Captain’s Holiday”, TNG Season 3
TRILL: “The Host”, TNG Season 4
BAJORANS: “Ensign Ro”, TNG Season 5
KTARIANS: “The Game”, TNG Seson 5
CORVALLENS: "Face Of The Enemy", TNG Season 6
YRIDIANS: “Birthright, Part 1”, TNG Season 6
THE SON’A: “Star Trek: Insurrection”, TNG Feature
REMANS: “Star Trek Nemesis”, TNG Feature
BOSLICS: “Babel”, DS9 Season 1
HUPYRIANS: “The Nagus”, DS9 Season 1
DOPTERIANS: "The Forsaken", DS9 Season 1
KOBHEERIANS: "Duet", DS9 Season 1
THE FOUNDERS & THE KAREMMA: “The Search, Part 1”, DS9 Season 3
LETHEANS: “Distant Voices”, DS9 Season 3
BREEN: “Indiscretion”, DS9 Season 4
THE PAH-WRAITHS: “The Assignment”, DS9 Season 5
MALON: “Night”, VOY Season 5
THE OVERLOOKERS: “Tinker Tenor Doctor Spy”, VOY Season 6
VAADWAUR: “Dragon’s Teeth”, VOY Season 6
BRUNALI, WYSANTI, & NORCADIANS: “Collective”, VOY Season 6
SULIBAN & DENOBULANS: “Broken Bow”, ENT Season 1
THE XINDI: “The Xindi”, ENT Season 3
THE SPHERE BUILDERS: “Harbinger”, ENT Season 3
KEENSER’S SPECIES: “Star Trek”, Kelvin Feature
KELPIENS: “The Vulcan Hello”, DIS Season 1
TARDIGRADES: "Context Is For Kings", DIS Season 1
THE JAHSEPP: “An Obol For Charon”, DIS Season 2
THE BA’UL: “The Sound Of Thunder”, DIS Season 2
XAHEANS: “Runaway”, ST Season 1