It's a game of strategy
Even if we consider that dice or some element of randomness plays into the game (like many real-world games which would easily be considered strategy, such as RISK), we can presume, merely from it's introductory scene, that ultimately, it's a game of tactics. Let's look at the script:
They took off very quickly and presumably jumped to lightspeed inadvisably close to the planet's gravity well, taking them outside the Rebel's sphere of influence in a very short period of time.
“There is no ‘Rogue One,’” the person on the comm responded.
“There is now,” K-2 said.
Bodhi gunned the engines and took the shuttle into the air.