- Steam pricePrice
- $39.99
- Release
- September 24, 2020
- Modes
- Platforms
- Developer
- Publisher
How co-op works
Four-player online co-op covers the full campaign, including primary missions and side quests with adjusted difficulty. Squads keep moving and concentrate oversized arsenals on priority targets while the Legion System fills large battlefields with thousands of simultaneous enemies.
About this game
Serious Sam 4 is a prequel to the classic run-and-gun shooter series, delivering true co-op chaos as players battle endless waves of alien invaders across Earth. Teams work together to thin out massive enemy swarms using an arsenal that ranges from shotguns and miniguns to devastating experimental weapons, all wrapped in the series' signature over-the-top humor.
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The core loop is simple but satisfying: keep moving, keep shooting, and keep your teammates alive as hundreds of enemies charge from every direction. Combat is built on constant communication as squads call out threats, share ammo, and coordinate fire on priority targets like kamikaze bombers and towering biomechs. The sheer scale of the battles makes every firefight a spectacle.
Online co-op brings friends into the campaign for full-length cooperative sessions that reward tactical positioning and mutual covering fire. The relentless pacing and shared objective pressure create a frenetic teamwork experience where staying bunched up or drifting too far apart can mean instant failure.
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Frequently Asked Questions
Can I play the entire campaign in co-op?
Yes, online co-op brings friends into the campaign for full-length cooperative sessions, so you can play through the whole story together.
Does this game require good teamwork and communication?
Absolutely. Combat is built on constant communication-you'll need to call out threats, share ammo, and coordinate fire on priority targets like kamikaze bombers. The massive enemy swarms make tactical positioning and covering fire essential, and straying too far from your squad or bunching up can lead to quick failure.
Is there local split-screen co-op or just online?
The game only supports online co-op.