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Blood on the Blade: Self-proclaimed microgame that recently got a 2nd Edition. Solo/co-op only.
Broken Legions - Osprey/Mark Latham - Weird-War-Rome, battle between small bands of myth-bolstered forces in the classical era. D10 based, sharing a lot of similarity to the GW Lord of the Rings SBG engine.
D&D Battlesystem Skirmishes: THE game to get if you want to expand D&D rpg combats into fully fledged skirmish games. (Also the thematically similar, but more complex WotC version 'Chainmail')
SAGA will soon be releasing Age of Magic that is a fantasy supplement to the popular game.
I'm reasonably sure Freeblades has not been mentioned up to now. So, by way of correction, I'd like to mention Freeblades:https://www.dgsgames.com/Comments invited.
Burning Sands is a fun RPG meets Skirmish game, great for getting your Conan fix.https://cromsanvil.co.uk/chronicles.html