Marathon 2

Marathon 2: Durandal is Bungie's landmark 1995 sci-fi first-person shooter and the second game in the original Marathon trilogy. Returning as the same mysterious cybernetic security officer, you are sent beyond the abandoned Marathon colony to investigate the ancient alien ruins of Lh'owon, while the rogue AI Durandal continues pursuing an agenda that becomes increasingly difficult to understand.

The game expands dramatically on the original, introducing larger and more complex levels, new weapons, additional enemy types, environmental hazards, and a much more ambitious story. You move through ancient alien structures, human facilities, and hostile landscapes while uncovering terminals that gradually reveal the history of the Pfhor, the S'pht, Durandal, and the wider conflict surrounding them.

Combat remains fast and distinctly old-school. Your arsenal includes everything from the familiar pistol and assault rifle to the iconic fusion pistol, rocket launcher, flamethrower, and grenade launcher. Weapons have alternate firing modes, ammunition is limited, and enemies require different approaches. Some encounters are straightforward firefights; others are deliberately designed around positioning, resource management, and figuring out how the environment works.

What really distinguishes Marathon 2 is its world-building. Much of the story is delivered through computer terminals rather than conventional cutscenes, forcing you to piece together what is happening from conversations, logs, messages, and increasingly strange interactions with the game's AIs. Durandal in particular remains one of the most memorable characters in early FPS history—helpful one moment, threatening the next, and seemingly several steps ahead of everyone else.

The game also introduced the Marathon series' distinctive multiplayer modes, including deathmatch and team-based variants, helping establish Bungie's reputation for multiplayer FPS design years before Halo.

Today, Marathon 2 remains particularly interesting as a piece of PC gaming history. Its influence can be seen in later Bungie games, while the original trilogy's unusual combination of fast FPS gameplay and dense science-fiction storytelling helped demonstrate that shooters could have much more going on beneath the surface than simply shooting everything in sight.