Thanks for the feedback Shortee, completely understandable since I didn't include the rules!
To win this game, start by defeating all the enemies you can in the play area, called an encounter. There is a stealth mechanic that gives you a one-time bonus to the first move in each encounter. When all are defeated, you'll be prompted to choose a map card which will determine the size of the next encounter, how many map cards will be drawn next time, and wether those map cards grant stars.
Prioritise map cards with arrows pointing up, as these directions will award stars. Seven stars wins you the game!
Further note, not explained anywhere, but failing to defeat an enemy causes your current blue outlaw card to become a hostage, and there is a limit of one hostage in the encounter at a time.