Serious Sam 4
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About Serious Sam 4
Serious Sam 4 is a prequel to the Serious Sam series, set as Mental’s hordes overrun Earth and ravage a broken civilization. You play as Sam “Serious” Stone, leading the Earth Defense Force’s last resistance alongside his heavily armed squad of commandos. Fight through vast enemy forces with an arsenal of weapons, using circle-strafing and backpedal-blasting to survive overwhelming attacks.
Enemies and battles
Mental’s forces include returning enemies such as the Headless Kamikaze, Beheaded Rocketeer, Kleer, Scrapjack, Werebull and Khnum. New enemies include the frantic Processed, the repulsive Belcher and the hard-hitting Zealot, alongside towering monsters. The Legion System brings battlefields filled with thousands of enemies.
Weapons and upgrades
Choose from a double-barreled shotgun, minigun, chainsaw launcher, auto shotgun and the iconic cannon. You can upgrade your weapons, including the lock-on rocket launcher and the laser beam of death.
Four-player co-op
Play through the campaign with up to four players in online co-op. Take on primary missions and side quests, with modified difficulty settings for an extra challenge.
Frequently asked questions
The best price for Serious Sam 4 is $6.54 at YUPLAY. That is 83% less than on Steam, where it costs $39.99. 16 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Serious Sam 4 stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Serious Sam 4 are: Windows 10, GeForce GTX 780, 8 GB RAM, 42 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. Serious Sam 4 has multiplayer and a single-player mode. It supports online co-op.
Yes. Valve rates Serious Sam 4 as Verified on the Steam Deck: it runs well out of the box.
Buy Serious Sam 4 83% cheaper than on Steam.
Serious Sam 4 is available for 83% less in shops such as YUPLAY, Difmark, or K4G.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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