Aliens Online was a 1998 massively multiplayer first-person shooter video game released for Microsoft Windows.

"[8] Brooks Peck and Craig E. Engler from Science Fiction Weekly gave the beta version the perfect A score.

Noting the game's bugs, they nevertheless opined, "It's clear that Kesmai has what it takes to satisfy both the Aliens fan and the hardcore gamer.

"[11] According to a retrospective by Stephen Kleckner of GamesBeat, "Aliens Online, unfortunately, was riddled with balancing issues and bad level design.

(...) Ancient ’90s computing technology and Internet infrastructure and these issues worse, resulting in incredibly laggy connectivity.