Retro Replay Review

Gameplay

The strongest reason to install Millennium Expansion Pack is the mid-level saving. That sounds modest until you remember how unforgiving Aliens Versus Predator can be. Being able to bank progress lets you push into a difficult section without the nagging fear that one ugly death will erase an entire evening. It takes some of the sting out of failure while leaving the danger intact.

Nine new levels give the expansion its real weight. You get more ground to cover in both single-player and multiplayer, which matters far more than a token weapon or a menu tweak would. The pack is aimed squarely at someone who has already learned what they like about the original and wants another stretch of that conflict, not someone looking for a radically different game.

The Marine’s new automatic pistol is a welcome extra because it broadens that character’s kit without asking you to relearn the game. Don’t buy Millennium expecting a sweeping overhaul, though. Its changes are sensible, targeted, and most rewarding when the base game’s harsh combat already has its hooks in you.

Graphics

The new levels are the main visual addition: more places to stage the same Alien, Predator, and Marine confrontations. The automatic pistol adds a new Marine weapon to your loadout, while the expansion’s bigger contribution remains the extra spaces in which you use it.

Story

Millennium’s story value lies in extending the mission side of Aliens Versus Predator rather than replacing its core premise. The extra single-player levels give you more scenarios in that established three-faction world, which is enough if you came to the original for its atmosphere and escalating survival pressure.

Multiplayer naturally puts the emphasis elsewhere. Here, the added levels are less about narrative momentum and more about creating fresh grounds for the same asymmetric rivalry. That split makes sense: solo play gets additional mission content, while multiplayer gets more room to test skill and familiarity.

Set your expectations accordingly. This is a continuation for fans, not a standalone story destination. Its narrative payoff comes from spending more time in a setting you already enjoy, with the practical benefit that saves now make longer missions easier to finish.

Overall Experience

Millennium Expansion Pack is a good example of an add-on knowing exactly where to spend its effort. More levels are the headline, but in-level saves may be the feature you appreciate most after a few hard setbacks. It makes the base game friendlier without sanding away the tension that made it memorable.

If Aliens Versus Predator left you wanting another round of solo missions and multiplayer maps, this is an easy add. The automatic pistol is a nice bonus, not the selling point; the real payoff is having nine more levels and a less punishing way to work through them.

Newcomers have little reason to begin here, since this is built as an extension rather than an introduction. For returning fans, however, Millennium offers useful quality-of-life relief and enough additional content to justify a revisit. It is a compact, practical expansion that understands why you wanted more in the first place.

Retro Replay Score

6.5/10