Here is the full list of all 30 Guts and Glory achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete 25 Community Tracks
Rate 20 Community Tracks
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Complete the Easter Egg levels in the Halls of Glory.
Complete Official Track Group "The Glory Gauntlet," with no level skips.
Complete "A Delirious Challenge" in The Glory Gauntlet
Complete "A Kenshin Challenge" in The Glory Gauntlet
Complete "An Annoying Challenge" in The Glory Gauntlet
Complete "An Aussie Challenge" in The Glory Gauntlet
Complete "A Sasquatch Challenge" in The Glory Gauntlet
Complete "A Ridiculous Challenge" in The Glory Gauntlet
Complete "Tom's Froggy Challenge" in The Glory Gauntlet.
Complete Official Track Group "Desert Legend," with no level skips.
Complete Official Track Group "Stunt Tour," with no level skips.
Complete Official Track Group 'Child's Play,' with no level skips.
"Accidentally" maim/kill your own child excessively.
Complete 5 Community Tracks
Complete 10 Tracks with zero injuries to anyone.
Complete Official Track Group "Rocket Science," with no level skips.
Complete any Official Track with Larry and make all your hobo friends proud!
Find and complete the "Retro Runner" Easter Egg level.
Complete Official Track Group "Family Vacation," with no level skips.
Complete Official Track Group "The Great Outdoors," with no level skips.
Complete Official Track Group "Welcome to Happy Valley," with no level skips.
Complete all "Day at the Park" tutorial tracks, with no level skips.
Seriously injure 50 pedestrians.
Complete any level in darkness.
Catch an arrow... with your head.
Wreck/die 10+ times in 1 Track.
Fall outside the map boundaries.