Outta My Way! Badge:
Travel 800 meters in the car during a single mission

When Kongregate Attacks Badge: Destroy the evil forces of Kongregate before it's too late

Beat the game, did not unlock the badge associated

Got the 5-death run

Laszlo's Last Blow Badge:
Defeat Laszlo

Infinite and Beyond Badge:
Complete a level with at least 90 difficulty in "infinite" mode

Somehow I missed this badge since it's before the full completion

Phantom rail

https://i.imgur.com/wwu78VM.png

https://i.imgur.com/ZdoHRRn.png

Advancing Armor Badge:
Win 3 games

Gentle Giant Badge: End the song "Gentle" with at least a 100x multiplier

First Explosive Contact Badge:
Deal 100 total damage during a single round

Express Delivery Badge:
Capture 10 flags

Going Bananas Badge: Fully complete all 50 levels of any map on any difficulty setting

End of the End Badge:
Close the portal, draft a constitution, cure the zombie plague or reclaim every square

Can't Get No Satisfaction Badge: Wake up

Got to round 28 on the easier difficulty with my brother while on split screen.

On that note, 4-player split screen was godly. Even if it lagged.

Forever Alone Badge: Complete your pretentious adventure

Going the Distance Badge: Travel a distance of 600

"I'm a Fighter, Not a Bubbler" Badge:
Defeat 10 fighters

Sniper: Get 500 kills with headshots during a single game

Party of Five Badge: Band together with 4 other survivors