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GrindstoneNewsLive Now: The COSMIC DARKSIDE TOO!
Major update

Live Now: The COSMIC DARKSIDE TOO!

Grindstone · published 21 Oct 2022, 15:00 UTC

All newsPlayers around this dateRead on Steam

The Darkside of Grindstone Mountain just got even bigger - Just in time for Spooky Season! 🦇
The new update expands the Darkside (opened after completing the main game) and includes:

45 Cosmic Levels


Venture into three new spooky Darkside Biomes, featuring 45 cosmic-remix levels to battle through against the Osmium infection!

3 New Gear Items!

  • Lighting in a Bottle This new throwable potion chains from your target to adjacent creeps of the same colour, making it a perfect way to clear out swaths of a puzzle board that you can’t reach with a normal chain attack
  • Osmutational Arrow Keep your cosmic house clean with this arrow, capable of transforming a troublesome Osmium chunk into everyone’s favourite shiny ore: a Grindstone!
  • Cosmic Mirror Sword Feel like a little game of cosmic risk-and-reward? Take this high-powered version of the Mirror Sword along to double the number of grindstones you create… but collect them fast, as these stones will be infected with Osmium!

Quality of Life Stuff!

  • New Weekly Challenges Every week players will have a fresh new challenge shared across the entire Grindstone community.
  • More Season 2 Hats More challenges means… more hats to unlock! Dottie’s closet will be bursting at the seams with new chapeaus for the stylish Stonegrinder
  • Improved Quick-Heal UI A new icon has been added to the world UI to help you heal up more quickly from the map, saving the time of making a trip to the Inn!
More from Grindstone

Other announcements

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Major update22 May 2025Cosmic Grind Update — A new Daily Grind mode!A new daily grind mode has burst into Jjertrude’s shrine - the Cosmic Grind! She needs your help to clear this cosmic infection! There are multiple levels with these Ooze-filled Creeps, so make sure to gear up as you survive! Be ready to encounter… 📈 Multiple levels of Ooze-filled Creeps ⚔️ Gear at your disposal 🥇 Another leaderboard to conquer Stop the cosmic infection in this free update fo…Major update25 Jul 2024Mystical Mayhem UpdateExperience… · 100 brand new levels 💯 · Brain-twisting puzzle challenges 🧩 · Rewards with the Mystic’s Prize Wheel ✨ This FREE new update is available NOW! Make sure to update your game, stonegrinders 💎 If you encounter any issues or have any questions, please reach out! We are so thankful for our community’s immeasurable support as we continue to update Grindstone. We hope you enjoy the late…Major update27 Oct 2023Celebrating Grindstone’s 4th Anniversary! 💎💙🎉 Happy 4 years of Grindstone 🎉 To celebrate this incredible milestone, we have in-game gifts for our beloved stonegrinders! 🎩 Two unFOURgettable hats! 🧶 ComFOURtable thread for Harry’s Hat Stand! Make sure to install this quick update to get all of the above! However, our celebration doesn’t stop there! We are also excited to announce our upcoming collaboration with The Yetee! More details…