Here is the full list of all 36 A Buttload of Free Games achievements.
Play |\\/|0|\\|5+3|2.exe.
Play A Clownfetti Catastrophe.
Play Scream Sport.
Play Whodini.
Play Tooting in the Rain.
Play The Scarlet Cypress Hotel.
Play Super Slime Slasher Ultra.
Play Sqaranch!
Play Real-Time Gardener.
Play Hungry Frog 2.
Play Place Place.
Play You Can't See Everything at Once+.
Play Geckles's Ghosts.
Play Plünge.
Play Spicy Mansion.
Play SOUP.
Play Rootin' Tootin' & No Shootin'.
Play When Life Gives You Lemons.
Play Two Sides.
Play Hunk Hustler.
Play Rogue_Paint.
Play FEED ME APPLE.
Play Intergalactic Interpreter.
Play Miracle Cure.
Play Procrabstination.
Play Fancy Trash.
Play Falling in Love.
Play The Flame.
Play Do the Business.
Play FPS TRUE LOVE.
Play Demons.
Play FataliTea.
Play Dark Roads.
Play Bird Bakery.
Play Ben VS Anime.
Play 10 Second Painter.