Zone 66 uses a top-down perspective. The player directly controls a combat vehicle across open battlefields, attacks enemy forces, avoids hazards, and completes objectives assigned by the campaign. Missions are structured as individual operations rather than as a continuous side-scrolling stage.

Between operations, the player manages the wider campaign and prepares for further missions. Progress depends on completing objectives and preserving enough combat capability to continue. The combination of real-time movement, weapon use, reconnaissance, and strategic planning is central to the game.

Learn the layout of each battlefield before committing to an attack. Moving continuously is important, but reckless advances can expose the vehicle to concentrated enemy fire or environmental hazards.

Prioritize the mission objective instead of pursuing every enemy unit. Approach difficult encounters from safer angles, conserve resources when possible, and use the campaign layer to prepare for the next operation rather than treating each mission as an isolated score attack.