The Patriots: Fight and Freedom  Browser version is a free action / shooter game with a beautiful low poly graphic.
Story

The game is about a young woman named Ashley who lives with her husband and son in a small town. One day, suddenly, explosions and an alarms sounded. Military vehicles move in the city. Television reports say a group has staged a coup against the government, seized power and imprisoned the president. Ashley takes up arms and joins the resistance to save her country.

Game Features
Beautiful low poly style graphic
Strong female protagonist
Fun and exciting action/shooter gameplay
Easy to pick up and play
windows version with higher graphic:
https://hammergames.itch.io/patriots-fight-freedom