Garry's Mod
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tool...
Grab a friend, hit the field, and brace yourself for Gameday Mayhem!! – the local multiplayer brawl that asks: "What if football had no strategy, no rules, and possibly… a rifle?"
It's a 3-minute duel where two players run, dodge, tackle, and fumble their way to victory. Want to pass the ball? Sure, but don’t expect your AI teammates to help—they’re barely functional.
Think Nidhogg meets American football. So, lace up, lock in, and prepare for zero strategy, all chaos.

(and Gameday Mayhem may actually be the worst game!)
GameDay Mayhem!! is 2-Player-only and local-only. It supports gamepads but it can also be played with two players on one keyboard. Try the demo to find out if your keyboard supports shared keyboard. To play online with a friend you can use Remote Play Together.
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Gameday Mayhem!! is completely FREE to play. You can download and play it without any purchase.
Minimum: Minimum: OS: WIN7-64 bit Processor: Intel i3-2100 / AMD A8-5600k Memory: 4 GB RAM Graphics: GeForce GTX 630 / Radeon HD 6570 DirectX: Version 11 Storage: 200 MB available space
Gameday Mayhem!! is available on Windows PC.
Review data is not yet available for Gameday Mayhem!!.
Gameday Mayhem!! was released on Apr 4, 2025.
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