What are some alternatives?
When comparing Team Fortress 2 and Duke Nukem Forever, you can also consider the following products
Overwatch - Stylized team-based FPS
Warface - Warface - is a free online shooter with diverse PVP modes, exciting PVE missions, outstanding arsenal and millions of fans around the world!
Warframe - Ninjas Play Free.
Insurgency - Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.
Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...
Metro Exodus - Metro Exodus is an epic, story-driven first person shooter from 4A Games that blends deadly combat and stealth with exploration and survival horror in one of the most immersive game worlds ever created.