← Serious Sam 4

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• That Burning SensationCollect scorched aliens for Professor Kiesel.50.1%Common
• MegabarfKill a Belcher using Belcher collateral barf damage.50.6%Common
• Hot Hot HotRun away from an angry volcano you foolishly antagonized.53.1%Common
• For the CauseFind out what happened to Alessandro.55.5%Common
• That Belongs In A MuseumRecover the alien artifact located by Dr. Stein.57.8%Common
• Volcano AntagonizerDie HAARP With A Vengeance.59%Common
• No SurrenderKill 5 enemies in a row while your health is below 10 HP.60%Common
• Cultist StimulatorRecover a key stolen by a cultist.62.4%Common
• Spread the JoyKill 3 enemies with a double shotgun blast.73%Common
• Roman HolidayGet together with your friends and kill something big.73.1%Common
• The Spirit of RomaFight alongside Massimo Murena.73.6%Common
• This Seems SafeUnlock a S.A.M.77.9%Common
• Ecclesiastical ExtractionSave the rookie. Find Father Mikhail. See the sights.82.1%Common
• RegressionGet knocked on the head and remember how you got here.92.4%Common

Data from Steam — Steam Web API Terms of Use. Last updated 21 Aug 2026.