Tactical Vanguard Saga

A story driven, single-player, 2D turn-based strategy RPG set in a future where human civilization has expanded to space colonies, "Tactical Vanguard Saga" focuses on the story of a child from Earth, Audra, who is instructed by a trendy video game to break special agent Beaufort out of captivity on Mars using advanced military Mecha technology known as Automaton Armors. The player in "Tactical Vanguard Saga" controls both Audra and agent Beaufort as they pilot their stolen Automaton Armors to escape the full military might of the Space Frontier Colonies. However, once the citizens of Earth are attacked in retaliation to Audra's actions, Audra herself is faced with a larger conspiracy behind her precious video game as this pixel action story unfolds.

Source: Steam Store Description