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