You can collect 253 points being free account.
List of achievements:
All Hail the King, Baby Sitter, Backpack Tourist, Becoming A Bigfoot, Bibby's Bloodbath, Call Me Sparky, Cookie Monster, Crystal Keeper, Deer Hunt, Do Not Disturb, Dog Sitter, Dwarven Mines, Elven Woods, Fire Lighter, Forbidden Fruit, Forbidden Knowledge, Fountain of Life, Ghost Sailor, Gnome Little Helper, Goo Goo Dancer, Happy Farmer, Heartbreaker, Here, Fishy Fishy!, Honest Finder, Hunting Permit, I Like it Fancy, Jewel in the Swamp, Joke's on You, Let the Sunshine In, Little Adventure, Long Live the Queen, Loyal Subject, Make a Wish, Nestling, Nothing Can Stop Me, One Foot Vs. Many, Party Animal, Piece of Cake, Preservationist, Repenter, Rocket in Pocket, Rollercoaster, Seasoned Adventurer, Secret Agent, Someone's Bored, The Cake's the Truth,The Picky Pig,Toothfairy Assistant, Torn Treasures, Whistle-Blower, Witches Lil' Helper, With a Cherry on Top, Allowance Collector, Bad Timing, Banebringers' Bane, Bluebarian, Bunny Slipped, Commitment Phobic, Dark Voodoo Priest, Doctor! Doctor!, Down the Drain, Firefighter, Fireworks in the Sky, Gnome Friend, Goldhunter, Hidden Powers, I Did My Part, I Need a Hug, Jinx, Keeper of the Flame, Merry Adventures, Number of the Beast,Oops, Petrologist, Poet Laureate, Safely Stored Away, Santa's Li'l Helper,Slayer of Anmothra, Slayer of Chikhaton, Contender, Snowbunny, Spectral Traveller, Superstitious, Sweet Tooth, Task Manager, Teamplayer,The Day After, The Undertaker, Waverider, Areas of Effect, Berserker, Clay Fighter, Cursed!, Demonic Barkeeper, Fire Devil, Free Items!, Gnomelike, Ice Sculptor, Marblelous, Masquerader, Mastermind, Nanny from Hell, Nether Pirate, Passionate Kisser, Rockstar,True Colours, Vanity, Ashes to Dust, Berry Picker, Firewalker,Green Thumb, Honorary Gnome, Honorary Witch, Interior Decorator, Polisher, Potion Addict, Pyromaniac, Skin-Deep, Bewitcher, Scourge of Death, Clay to Fame,Cold as Ice, Marble Madness.