These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
And it doesn't waste time. As the first mission opens, and you set out skimming the surface of the moon in your tank, and Earth hangs cold and distant in the lunar sky, you hear this. Before anything else, the game wants you to know that you are all alone in a dead, empty place that does not care about you.
Red Odyssey raises things up a notch, with heavy, triumphant orchestral/electronic overtures.
Rise Of The Black Dogs on the N64 has some tracks that sound like remixes of the OST on the PC but some are completely original like the arcade tracks, the best part? It depends on which side you play as in arcade.
The The Blake Robinson Synthetic Orchestra would like to introduce Track 11 and Track 12 in a more orchestrated fashion.
Game Breaker: Messing around with the weapon mod system can create this. Put dual ST-Stabber on a couple of basic tanks, and you'll shred through anything short of a hostile Walker.
Most Annoying Sound: That repeated "BEEP-BEEP" when a unit is under attack gets really annoying. The second game isn't as bad as it's less ear grating and has a bigger delay between the beeps.
Forgotten Enemies fixes this even more and better with even quieter beeping.
Having to build multiple ammo/health/weapon power-ups from the armory to assist you outside the base or in general results in some serious radio spam of "Ready to build. Building supplies. Ammo/Repair/Weapon deployed.". Over and over.
Nightmare Fuel: The Furies are scary enough to fight, even without taking their origins and nature into account. They are described as extremely sadistic, to the point of abandoning what they're doing whenever they get an opportunity to torment an unlucky victim. And when you have to catapult out of your tank, the nearest Fury will swoop down right at you...
Crowning Music of Awesome: Body Hammer, the unofficial "theme" of the game's swamp world, Mire. The whole soundtrack is good, opting for a tribal-drum driven score to help emphasize the exotic nature of its locales.
Crowning Moment of Funny: The second mission of Forgotten Enemies opens up with a Lt. Jay running a diagnostic, cue the following:
Jay: "Oh that ain't good."
Betty: "Offensive, unit, lost."
Demonic Spiders: Cerberi Talons in Forgotten Enemies. They float about 50 meters off the ground, are extremely fast, extremely maneuverable, powerful, and well armored.
Game Breaker: Use the vehicle emergency eject system then fire off a jetpack... You can land anywhere on a map.
Good Bad Bug: You can climb up a wall on foot. this can lead to some more gamebreaking situations when you can walk behind the enemy base and snipe them.
Moral Event Horizon: Braddock, and you, if you choose to side with him. Nice job killing your closest friends and wiping out a species, jerk.