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Grindstone −30% Grindstone is a puzzle game where epic adventures are just your 9-to-5. It’s your job to mine grindstones from the Creeps that lurk on the mountain in over 600 levels of intricate puzzles and hazards, all in the hopes of saving up enough grindstones to take your family on a much needed vacation.
Achievements
491 hidden until unlocked
Average Unlock Rate
28%of owners, per achievement
Rare (Under 5%)
612% of the list
Rarest
3%Completionist
Most Common
96%Quinceañera Time
By Rarity| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 0 | |
| 1–5% | 6 | |
| 5–20% | 18 | |
| 20–50% | 15 | |
| 50% and over | 10 |
All Achievements| # | Achievement | Unlocked |
|---|---|---|
| 1 |  Quinceañera TimeCreate a 15-Chain Grindstone | 96% |
| 2 |  The Journey BeginsComplete Level 1 | 96% |
| 3 |  Slaughterhouse 5 (200 times)Kill 1000 Creeps | 67% |
| 4 |  There is No EscapeWake up in the Inn | 65% |
| 5 |  Fun, Flirty, and ThirtyCreate a 30-Chain Grindstone | 57% |
Share of the game’s Steam owners who unlocked each achievement, checked 29 Oct 2026. Steam counts owners who never played, so rates run low. How we count
| 6 |  Death DefiedStart a level with only 1 heart | 56% |
| 7 |  Royal FlushKill 5 Slobs | 55% |
| 8 |  Timber!Collect 50 wood | 53% |
| 9 |  Survive the BombsequencesSurvived your first boss | 51% |
| 10 |  Killed 20 JerksKill 20 Jerks | 50% |
| 11 |  Jerk-SlayerCollect 50 guts | 42% |
| 12 |  Pardon my SlobSpare a Royal Slob | 36% |
| 13 |  I Believe I Can FlyCollect 50 batwings | 35% |
| 14 |  Employee of the MonthCollect 1000 grindstones | 35% |
| 15 |  Bone CollectorCollect 50 bones | 34% |
| 16 |  Fe-FestivalCollect 50 iron | 33% |
| 17 |  Fortunate SoulComplete a Fortune Grind without dying | 33% |
| 18 |  Stop Hitting Each OtherMake a Jerk melee another Jerk | 31% |
| 19 |  Humerus AchievementDefeat SkjellyKjing | 30% |
| 20 |  Ghost Facers!Collect 50 ectoplasm | 29% |
| 21 |  If It Bleeds, You Can Kill ItKill 10000 Creeps | 22% |
| 22 |  Goldrush Glory DaysCollect 50 gold | 22% |
| 23 |  Top of the Food ChainCreate a 45-Chain Grindstone | 21% |
| 24 |  Royal Flush, AgainKill 50 Slobs | 21% |
| 25 |  That Was QuickComplete a Quick Grind without dying | 21% |
| 26 |  Trying To Get Into That 1%, Huh?Collect 50 crowns | 20% |
| 27 |  Best Party GuestCollect 50 ice | 19% |
| 28 |  Can't Touch ThisDodge 3 attacks with the Gladiator Outfit | 18% |
| 29 |  Ultimate JerkKill 200 Jerks | 18% |
| 30 |  ForagerCollect 50 poison mushrooms | 18% |
| 31 |  Budding GardenerCollect 50 Vine Hjeart seeds | 18% |
| 32 |  Yummy!Eat 3 of Helgä's snack items | 17% |
| 33 |  Shrub it OffDefeat Creepzïlla | 16% |
| 34 |  Hot PotatoCollect 50 magma rocks | 15% |
| 35 |  Off the Beaten PathComplete 3 Creep hideouts | 12% |
| 36 |  Don't Get Too GreedyComplete a Greed Grind without dying | 12% |
| 37 |  It's Been a BlastDefeat MekkaMortie | 11% |
| 38 |  For Rock and Stone!Mine gold using the Goldrush Garb and Pickaxe | 11% |
| 39 |  You're In a Cult, Call Your DadDefeat Jjurk-Creepethuth | 8% |
| 40 |  The FellowshipComplete a level with the Spinny Sword, Arrow, and Pickaxe | 7% |
| 41 |  The Poison You Just ServedCause a Jerk to die from poison | 7% |
| 42 |  Survived The SlaughterDefeat MjeatBöll | 7% |
| 43 |  Eternal FrenemiesHidden | 6% |
| 44 |  BiohazardComplete a level with the Vine Sword, Poison Arrow, Poison Shield, and Plague Doc Outfit | 4% |
| 45 |  Are We Good Guys Or Bad Guys?Complete a level with the Ranger Outfit and any 3 arrow types equipped. | 4% |
| 46 |  BackdraftComplete a level with the Detonator Suit, Fireball Sword, Fire Arrow, and Firewalker Potion | 4% |
| 47 |  The Midas TouchComplete a level with any 3 pieces of gold gear and the Grindstone Garb | 4% |
| 48 |  OK BoomerUse the OK Boomerang over lava | 4% |
| 49 |  CompletionistUnlock all other achievements | 3% |
