GameSpot

Halo: Campaign Evolved On PC Has A Missing Feature You Need A Mod To Access

PlayStation and Xbox players can already enjoy this feature, but Halo: Campaign Evolve's PC port needs a little outside help.
Game Rant

Halo: Campaign Evolved Players Uncover Hidden PC Split-Screen Mode

In their attempt to add a split-screen mode from scratch, modders have discovered that Halo: Campaign Evolved already has ...

Mod activates split-screen support in Halo: Campaign Evolved PC that's just sitting there, unused

Come on, Halo Studios.
TheGamer on MSN

Halo: Campaign Evolved has split-screen on PC, it's just hidden

Split-screen co-op exists in Halo: Campaign Evolved on PC, but Halo Studios has hidden it from the menus.