Gears of War: E-Day is not a short prequel. The Coalition built this as a full-scale campaign set on Emergence Day, 14 years before the original Gears of War, dropping Marcus Fenix and Dom Santiago into Kalona as the Locust Horde erupts from beneath the planet. If you are trying to figure out how much time to block off before starting, here is the short answer: plan for 10 to 15 hours on a standard run, and more if you explore.
How long does it take to beat Gears of War: E-Day?
The range you will see most often is 10 to 15 hours, and both ends are accurate depending on how you play.
A focused playthrough on Normal difficulty, skipping most optional content and moving between objectives without much detour, lands around 10 hours. The Coalition's own pre-launch estimate put the campaign at over 14 hours, and that figure holds up if you spend time in the semi-open sections of Kalona, hunt collectibles, and take on side objectives. Review playthroughs from multiple outlets clustered around the 14-hour mark, which suggests that is the more realistic expectation for a first run.
One thing to keep in mind: E-Day is not purely linear. Starting in Act 2, Kalona opens up and gives you room to explore, find weapon upgrade packs, and help civilians before the next scripted mission triggers. That optional layer is what separates a 10-hour sprint from a 14-plus-hour first playthrough. The side content rewards exploration with weapon mod slots and squad perks, but none of it is required if you want a more traditional Gears experience.
How many acts and chapters are in Gears of War: E-Day?
The campaign runs across 5 acts and 26 numbered chapters, plus a separate Prologue and Epilogue. That brings the total section count to 28 if you include those two bookends, which is why you will see both numbers floating around in discussions about the game.
Acts 1 and 5 are the shortest by chapter count. Acts 3 and 4 each contain 6 chapters and are the meatiest portions of the campaign. Chapter count alone does not tell the whole story, though. The semi-open areas in the middle acts can add significant time even within a single chapter.
Full Gears of War: E-Day mission list
Here is every act and chapter title in order.
Act 1
- Emergence
- Survival of the Fittest
- A Gear in Need
- Back in the Fold
Act 2
- Bravo Squad
- Hold the Line
- No Gear Left Behind
- Flyboys
- Overrun
Act 3
- Stranded
- Enemy Lines
- Last Foothold
- The Convoy
- Desperate Times
- Desperate Measures
Act 4
- Hope and Ruin
- Technical Difficulties
- Tough as Nails
- Signals
- Paths Diverge
- Critical Failure
Act 5
- One Problem at a Time
- Ghost Town
- Storm Clouds
- Resolute
- The Fall of Kalona
How long does it take to 100% Gears of War: E-Day?
Here's where the time commitment gets serious. The campaign itself is one thing, but the full completion grind is a different beast entirely.
Some achievements require clearing Horde Siege on the hardest difficulty. Others demand over 25,000 kills in PvP. Reaching max level in the revamped Horde Siege mode, which pits three teams of four players against escalating Locust waves, takes considerable time on its own. Unlocking every cosmetic adds more. Realistically, true completion runs into the hundreds of hours, which is consistent with how previous Gears games handled achievement design.
For a breakdown of every unlock condition and Gamerscore value, the Gears of War: E-Day achievements guide has the full list.
Can you play the campaign in co-op?
Yes, and the options are flexible. The campaign supports two-player split-screen on Xbox consoles and online co-op for up to four players on both Xbox Series X|S and PC. Split-screen is console-only, so PC players need to go online for co-op.
Four-player online co-op is worth mentioning because it changes the pacing noticeably. Groups tend to explore more, which pushes playtime toward the higher end of the range. For everything you need on co-op modes including Horde Siege's 12-player squad structure, check the Gears of War: E-Day co-op guide.
Is E-Day worth the time investment?
For fans of shooter games who want a full-length campaign rather than a compact side story, E-Day delivers. The Coalition described it as the longest campaign the studio had built, with more collectibles than any previous Gears title. Five acts, 26 numbered chapters, and optional content in Kalona give it enough substance to justify treating it as a proper mainline entry rather than a prequel filler.
A weekend is enough to finish the critical path. Slowing down and exploring Kalona properly takes longer, but the weapon upgrades and squad perks you find make the later acts noticeably easier, so the detours have practical value beyond collectible percentages.
For everything else you need before jumping in, including beta rewards, early access details, and the full guide collection, head to the Gears of War: E-Day guides hub.

Cover combat against the Locust
FAQ
How long is Gears of War: E-Day on Normal difficulty? Expect 10 to 15 hours. A focused run with minimal exploration lands around 10 hours. Doing optional content and hunting collectibles pushes it to 14 hours or more.
How many chapters does Gears of War: E-Day have? 26 numbered chapters across 5 acts, plus a Prologue and Epilogue, for 28 total sections.
Is Gears of War: E-Day longer than previous Gears games? The Coalition stated before launch that E-Day is the longest campaign the studio has made, with more collectibles than any prior entry.
Does difficulty affect how long the campaign takes? Yes. Higher difficulties make enemies significantly more durable, which extends combat encounters and overall playtime. Lower difficulties let you move faster through encounters.
Can you replay chapters after finishing? Yes. Individual chapters are selectable from the main menu, making it straightforward to return for missed collectibles or specific achievements.


