Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic arcade-style action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless of Mental's minions on his way to Mental's base.
User reviews: Very Positive (835 reviews) - 93% of the 835 user reviews for this game are positive.
Release Date: Apr 30, 2014

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

WARNING: This game is currently an Early Access beta. While most of the game is feature complete, please do not purchase it unless you want to actively support development of the game and are prepared to deal with serious issues and possible interruptions in game functioning.

This early access version of the game will give you the game on the improved engine: The First Encounter, The Second Encounter, and a limited number of new versus and survival levels.

Regular updates are planned with new levels and fixes of old levels based on user feedback.

When the early access testing ends, all levels will be available, including a brand new campaign exclusive to Serious Sam Classics: Revolution!

Please report all bugs on Alligator Pit bugreporter and leave feedback on the Steam forums!

NOTE: Serious Sam Classics & Revolution is a standalone product and it is completely free to those Steam users that already own both original Serious Sam Classic games on Steam.”
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Recommended By Curators

"It may not be finished but you get the original two games which are, so you don't have much to lose. Really fun arena shooter action! Get serious!"
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About This Game

Serious Sam Classics: Revolution is a unified version of the Croteam's original Serious Sam Classic: The First Encounter and Serious Sam Classic: The Second Encounter experience, which is currently in development by Alligator Pit, an indie development team made of Serious Sam fans with the support of Croteam. Serious Sam Classics: Revolution, along with newly developed content by Alligator Pit, also includes all levels from both Classics and is powered by an updated Serious Engine 1 featuring all-new advanced graphics shader support, full 64-bit compatibility, full Steamworks integration, and lots of bug fixes for a superior game experience. Serious Sam Classics: Revolution is a standalone product and it is completely free to those Steam users that already own both original Serious Sam Classic games on Steam (Serious Sam Classic: The First Encounter and Serious Sam Classic: The Second Encounter).

Development team Alligator Pit is comprised of Angelo, Rakanishu, Bromvlieg, Solais and many other dedicated Serious Sam fans from around the world.

Serious Sam is a high-adrenaline old-school arcade-action shooter heavily focused on frantic arcade-style action. Serious Sam travels through the beautiful landscapes of Ancient Egypt, Mayan Civilization, Persian Empire and Medieval Europe, confronting the countless numbers of Mental's hordes hell-bent on destroying the human race. You are Sam "Serious" Stone. Welcome to the fight!

Key Features

During the development in the Early Access phase, you can enjoy the following features:
  • Steamworks - Fully integrated with Steam powered servers, game browser, achievements, leaderboards, and more!
  • Frantic Arcade-Style Action - Fight your way through nightmarish warriors in Mental's army, including old favorites like the Beheaded Kamikaze, Sirian Werebull, Kleer Skeleton and new forgotten baddies that somehow got lost in time. Battle it out with three of Mental's fiercest generals to save the day or die trying!
  • Various Environments and Secrets - Unleash mayhem in 4 spectacular locations: Ancient Egypt, Mayan Civilization, Persian Empire and Medieval Europe. Discover over 100 secrets spread throughout the battlefield!
  • Special Weapons and Power-Ups - Wreak havoc with a huge arsenal of weapons including the classics such as the Double Shotgun, Minigun, Sniper Rifle and Cannon! We also added the beloved Plasmagun and Minelayer from the Warped mod!
  • Co-Op Multiplayer - Embrace the chaos with up to 42 players! Play through the entire campaign with your closest friends or enemies!
  • Survival - Try your luck at the brand new Survival gamemode!
  • Versus Multiplayer - Drop the gauntlet and let the heavy ordinance fly in the classic Deathmatch and Scorematch, and when you've had enough of that, try out the all-new game modes unique to Revolution: Team Deathmatch, Capture-the-Flag, Control Zone and more!
  • Split Screen - Huddle up with up to 4-player local split screen co-op and versus modes!
  • Massive Updates - Fully updated engine with hundreds of bug fixes.
  • Full 64-bit Compatibility - Run on the latest versions of Windows with a fully working editor!
  • Advanced Shader Support - Write your own OpenGL shader programs and apply them in your levels!
  • Level Editor - Create your own levels, mods, textures and other content with the inclusion of the fully featured Serious Editor and the Serious Modeler!

Future Updates

With our regular updates during the Early Access phase, we will introduce the following updates over time:
  • A brand new campaign with new and exciting enemies, environments and a special ending boss!
  • Even more new and refined gamemodes!
  • Even moooooore achievements, and icons for them!
  • A fully featured scripting engine for advanced mod creation!
  • More OpenGL shader integration like post processing and more!
  • More versus maps and fixes to the current ones based on user feedback!
  • For modders, we'll be adding a set of tutorial maps to showcase the new features we've added to the engine!
  • Steam Trading Cards!

System Requirements

    • OS: Windows XP
    • Processor: AMD Athlon 650MHz or Pentium III 650MHz range processor
    • Memory: 256 MB RAM
    • Graphics: OpenGL 1.1 compliant
    • Storage: 2 GB available space
    • OS: Windows 7
    • Memory: 2 GB RAM
    • Graphics: OpenGL 3.0 compliant
    • Network: Broadband Internet connection
    • Storage: 2 GB available space
Helpful customer reviews
13 of 15 people (87%) found this review helpful
2 people found this review funny
3.0 hrs on record
Posted: November 2
Early Access Review
Serious Sam has been around for as long as I can remember. It was my childhood. The first video-game I ever played. I beat the classic games multiple times. I've played ALL Serious Sam games on every console, even Serious Sam Advance on GBA. And now the game is back. Same game, except without GameSpy, as it's been cancelled, Steamworks integration (WORKSHOP, WOO!) and a new Bright Island campaign that's soon to come. Oh, by the way, CROTEAM OWNS. (I rate 12/10. Seriously.)

Serious Sam was (and still is) one of the best first-person shooters around. It needs more recognition, though.

Sam "Serious" Stone, the protagonist of this game series, is hilariously punny, agile and fearless. The level designs are seemingly flawless. In every level there's plenty of fun secrets and easter eggs. This is one of those no-nonsense first-person shooters, completely relying on skill, not fancy camos or weapon attachments. That's right. Skill. Hundreds of enemies attacking from everywhere and no taking cover behind sandbags, no-siree. This game is not for you Call of Duty or Battlefield pansies (Both series are still fun though!). If you rage at Call of Duty and say "I slept with ur mom m9 xddddd mountain dew" then this game isn't for you. But I still highly recommend it so then you'll stop your babyish fits of rage. No noticed glitches so far, and absolute positivity for hours upon hours of non-stop action and fun. And if you don't want to fight monsters, fight your friends in an epic multiplayer arena experience.

Burn, explode and pour lead into hordes of oncoming monsters! Hear and see the fun jokes from Sam and the developers. Solve puzzles, explore the world, laugh a little and kill a lot. This is definitely a great game. And even kids can play it! My 7-year-old stepsister enjoys it very much, and there's even a setting to change the blood red, green or "hippie" ;). It's fun for the whole family and even has 4-way split-screen! Where did this game go wrong? NOWHERE. It's perfect for casual gamers and hardcore gamers alike. The only con is the arthritis or carpal tunnel that may occur from you constantly being on-edge with the non-stop action.

But that's just reviewing the classic games alone. Now for the new Revolution version:
Serious Sam Classic: Revolution brings back the old and fun version of Serious Sam (Not that the rest weren't fun) with the same graphics for you hipster saps*. Managing to perfectly combine the First and Second encounter, it's flawlessly triple the beauty. It has Steamworks integration, which means it has the Steam workshop, the 27015 port commonly used with Source Engine games and matchmaking without GameSpy (RIP). But it has a new campaign, not yet accessible in the current version. It also has a brand-new** Survival Mode, where you can now sit back and fend off LITERALLY thousands of enemies for as long as you can. It also brings back the beautiful Split-screen so now you and 3 buddies can unleash mayhem upon the mayhem that's already been unleashed. There's also new and fun mutators for multiplayer game sessions, Survival exempt, which adds to the fun that's already there. It also has everyone's favorite mod, Seriously! Warped Deathmatch fully integrated into the game itself, which includes more maps and weapons galore. And a few smaller things, you can pick your HUD theme and there's slightly upgraded shaders. But the game was already perfect enough.

So, this overall is a great game. I enjoy it very much and it's TOTALLY worth the money. It's worth more than they're asking, so this is practically a smooth steal. And I'll definitely buy it to just give away to friends because it's so flippin' good. I rate this game a solid 12 out of 10.

Now what are you waiting for? BUY THE GAME! Seriously. Just do it.
Was this review helpful? Yes No Funny
2 of 2 people (100%) found this review helpful
2 people found this review funny
3.8 hrs on record
Posted: November 22
Early Access Review
SPACE BALL!!!!!!!!!!!!!!!!!!

SPACE!!!!!! BALLL!!!!!!!!
SPACE ♥♥♥♥ING BALLL!!!!!!!!!!!



Was this review helpful? Yes No Funny
57 of 64 people (89%) found this review helpful
42 people found this review funny
10.7 hrs on record
Posted: August 3
Early Access Review
Classic Serious Sam with serious resolution and serious steam workshop. Now, this game is more serious than earlier. I'm serious.
Was this review helpful? Yes No Funny
25 of 32 people (78%) found this review helpful
12 people found this review funny
2.3 hrs on record
Posted: September 14
Early Access Review
Was this review helpful? Yes No Funny
27 of 36 people (75%) found this review helpful
5 people found this review funny
0.2 hrs on record
Posted: June 13
Early Access Review
There is a lot of people who don't get this genre. However it's probably one the best satirical game series ever! It's not Duke Nukem, it's not Blatzkowitz it's Serious Sam!
Was this review helpful? Yes No Funny