Serious Sam - Double D

Cheat Codes:
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Submitted by: Bonek

Steam Achievements:
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Complete the following tasks to unlock the corresponding achievement. 
To view your achievements and stats in Steam, select "Community", then
"My profile", then "View all my games", then the game and view stats.

Achievement                 Description
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Ceiling Slaughter         - Kill 10 Gnaar on ceiling spikes in Amethystine
                            Depths.
Dino's Best Friend        - Rescue 3 dinosaurs by destroying their helmets
Exterminator Sam          - Kill a Giant Flea in Fireball Fury
Fully Stacked             - Create your first 6 gun stack
Getting Serious           - Beat the game on any difficulty
Gnaar-body's Fool         - Kill over 50 Gnaar in a single level
Golden Boy                - Unlock ALL golden guns
Gun Aficionado            - Find ALL guns
Gun Collector             - Find 16 guns
I Heard You Like Parallax - Find the Monument to Parallax
Laura Who?                - Find all secrets
Lumberjack Sam            - Kill a Red Biomechanoid with only chainsaws
Man with the Golden Guns  - Unlock 2 golden guns
Perfectly Perfect         - Find or reach 100% levels, challenges, secrets,
                            guns, and connectors.
Quad Power                - Find all 4 of any gun type
Quick and Not-so-Dead     - Beat any level in under 2 minutes in its entirety
Red Light Rendezvous      - Find the Secret Red Light District
Sepulcher Looter          - Find 30 Secrets
Seriously Nuts            - Clear 8 Challenge levels
Seriously Tough           - Clear 2 Challenge levels
Seriously Unstoppable     - Clear ALL Challenge levels
Skeletons in the Closet   - Find mental's secret closet
Speed Runner              - Complete a level from the start at over 100%  
                            gameplay speed.
Templetons Buddy          - Help Templeton unlock his secret room in Amethystine
                            Depths.
Time to Eat the Doughnuts - Eat one Boston Creme or Cannoli
Timeline Correction       - Replay any previous level (Choose Level menu)
Treasure Seeker           - Find 10 Secrets.
Unflinching Sam           - Beat any level without dying.
Untouchable Sam           - Beat any level without getting hurt.
White Men Can Jump        - Find the Jump Pad.