Serious Sam Double D XXL Cover Art

Serious Sam Double D XXL

Action 219.21 MB 2.1K views

Game Overview

Mental’s army turns a side-scrolling battlefield into a ridiculous, noisy slaughterhouse, and Serious Sam Double D XXL thrives on that excess. The familiar wisecracking hero trades 3D arenas for a hand-drawn 2D run-and-gun format, blasting through ancient Egyptian ruins, volcanic Pompeii, and a prehistoric jungle packed with monsters. Its tone is proudly juvenile and cartoonish, but the pressure is real: enemies flood the screen, projectiles come from every direction, and standing still usually means getting flattened. It is an old-school action game built around momentum, oversized weapons, and constant mayhem rather than careful realism.

Sam runs, jumps, dodges, and shoots his way through 18 stages while picking up an increasingly absurd arsenal of guns, explosives, flamethrowers, and chainsaws. The defining mechanic is the Gunstacker, which lets players pile weapons onto one another and fire the entire stack simultaneously; a shotgun, laser rifle, grenade launcher, and chainsaw can all become one gloriously impractical death machine. Choosing a stack is more than a joke, since different weapon combinations help manage crowds, airborne threats, and tougher enemies such as Biomechanoids and charging Gnaar. Levels reward alert players with hidden routes and secrets, while dedicated challenge rooms focus the game’s horde combat into compact survival tests.

What separates XXL from most retro-inspired shooters is its willingness to turn weapon loadouts into a toy box of destructive experimentation. Classic Serious Sam creatures return alongside stranger additions, including chimp-like attackers and loud, bizarre new foes, and several bosses punctuate the campaign with larger-scale fights. The colorful cutout art and deliberately corny humor make it feel lighter than the relentless enemy counts suggest, although later encounters can demand sharp movement and quick reactions. Fans of Metal Slug, Contra, or the arcade intensity of the main Serious Sam series will find plenty to enjoy, while newcomers get an accessible introduction to Sam’s simple but satisfying philosophy: keep moving, keep firing, and bring far more guns than necessary.

Screenshots

Installation

  1. Select the Download button at the top of this page to open UploadHaven.
  2. On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
  3. When complete, extract the archive to a Serious Sam Double D XXL folder using 7-Zip.
  4. Open the extracted folder and start the game normally.
  5. For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.

System Requirements

  • OS: XP, Vista, 7
  • Processor: 2.0 GHz or faster (Dual-core recommended)
  • Memory: 1GB
  • Hard Disk Space: 500MB
  • Video Card: 128 MB Card, supports Shader Model 2.0
  • DirectX®: 9.0c
  • Sound: DirectX 9.0c Compatible sound card
  • Additional: Microsoft Xbox 360 Controller or XInput controller
Last Updated
Status
Online
Looking for a newer update? Request an update
Skip the browser next time Browse, download, extract, and organize your games with the SteamUnlocked Launcher.
Get the Launcher

Setup Guide & Troubleshooting

How do I fix missing DLL errors for Serious Sam Double D XXL?

After extracting Serious Sam Double D XXL, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.

What should I do if the downloaded file is corrupted?

The full archive is 219.21 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.

Do I need to run the game as administrator?

Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.

How do I update my GPU drivers for this game?

Update your NVIDIA or AMD drivers to the latest version for the best performance and compatibility.

The game won't launch — what should I try?

Check that extraction completed and your PC meets the system requirements. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.

My antivirus is blocking the game — is it safe?

A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
Looking for something else? Explore all games on SteamUnlocked →
Saved to My Library View Library