
Canon Foreigner: Some new enemies were created for the mod, such as the Baby Gargantua (a smaller, red Gargantua), and the Xen Commander.Bribing Your Way to Victory: The game allows people to "donate" money to its creators for permanent weapon enhancements - namely, their Uzis do double damage, and they can use armor to boost the damage on their melee weapon.Beard of Evil: Otto also has a goatee to emphasize his evilness.Bald of Evil: Otis's evil twin Otto is similarly bald.Art Evolution: While it is based on the Half-Life engine, all models are made high-definition so they look much better, smoother, and more detailed.Some servers before that would typically lower the gravity just enough to jump these ledges. Anti-Frustration Features: Ledges that would normally require people hopping on each other to access can be accessed alone due to the ledge mounting system.Antagonist Title: One of the most famous, classic maps is "Osprey", where you have to destroy the Mook Maker Osprey.

Jarringly enough, despite the variety in third-person models, players' soundboards will always have the same gruff-sounding marine voice.Action Girl / Purely Aesthetic Gender: Players can choose to play as male or female characters and still kick ass either way.
