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