These sleeves are compatible with 'Etherfield's Mini Cards and other 44 X 63 MM sized cards.
Here is a partial list of other games with this size cards:
44x63mm:
1861/1867
Ars Alchimia
The Artemis Project
Back to the Future: Dice Through Time
The Battle at Kemble's Cascade
Cuzco
Darien Apocalypse
Deep Space D-6
Delve
Department Store Builder
Ecosystem
ElfQuest Adventure Game
Etherfields
Excavation Earth
Farlight
Flourish
Fruit Friends
Fruit Picking
Gates of Mara
GoodCritters
In the Hall of the Mountain King
Into the Black: Boarding Party
King's Forge
Krosmaster: Quest
Little Town
Pan Am
Philosophia: Dare to be Wise
Posthuman Saga
Ragusa
Saga of the Northmen
Small Railroad Empires
Stellar Leap
Sunset Over Water
TOKYO METRO
Tower of London
Uchronia
The Undercity: An Iron Kingdoms Adventure Board Game
Venice
Western Legends
The Whatnot Cabinet
44x63.5mm:
Back to the Future: Back in Time
The Captain Is Dead: Dangerous Planet
Covert
Fallen
Oathsworn: Into the Deepwood
The Opulent
Ravingspire
44x64mm:
Co-Mix
Manoeuvre
Sid Meier's Civilization: The Card Game
Takenoko
Tinderblox
44x65mm:
1835
Corsairs
Flandern 1302
Icaion
Mysthea