Command & Conquer: Red Alert 3/Odessa

Quite possibly the best level in the entire game, Odessa involves a careful defense followed by a joyride of destruction.

The start of the mission puts you in command of a squadron of Striker-VX anti-air/anti-ground transformers. Use their copter mode to protect the transports that appear from the enemy Stingrays and Akula subs that show up to attack the transports. Note that you can lose a few of the transports, but a majority must reach the warehouse. Make good use of your co-commander and his forces to help hold off attacks. When the first transports arrive at the warehouse, send your Striker-VXs to the warehouse and switch to Ground mode to take out the Twinblades, using your co-commander to protect the rest of the transports from the subs.

Wait for all the transports and enter the cut-scene of DESTRUCTION!!!

You now have control of the Shogun Assassinator, that walking behemoth of fun. To complete the bonus objective, head southwest of the warehouse to take out the castle in one strike. What fun!

Move to each objective, taking out anything in your way. Do NOT target any of the tesla units they send at you as these units will restore the health of the Shogun Assassinator when they attack. Note that the Assassinator can just walk over buildings and destroy them, so do not waste your time hitting everything. You can also use the special ability of the Assassinator, the Omega Shckwave, to deal with the ground forces. Use your co-commander and support powers to deflect and destroy the twinblades that attack you. Twinblades can also be killed by walking into them.

With the last cannons and structures destroyed, take the fight to Krukov's base and lay waste to it, hitting all the objective structures. This will end the mission.