Join the ranks of the Spiral Knights. Stranded on an alien world, you must explore the ever-changing Clockworks beneath its surface.
User reviews:
Mostly Positive (293 reviews) - 79% of the 293 user reviews in the last 30 days are positive.
Very Positive (15,048 reviews) - 84% of the 15,048 user reviews for this game are positive.
Release Date: Jun 14, 2011

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Recent updates View all (214)

June 30

Golden Slime Casino Returns!

Feeling lucky? The Golden Slime Casino has returned and will run through the 11th! Dive into the Clockworks to try your luck.

Additional Notes:

  • Some machines are giving out the same prizes as before. Some machines are giving out new prizes. As always, prizes can be changed at any time.

  • Various “Slime Lockboxes” may now be obtained on the Casino wheel.

  • Slime Lockboxes currently contain Slime themed items including new color variants. Box contents are subject to change at any time.

  • Slime Lockboxes can be opened with a Silver Key or the new "Slime Key" which is purchased with crowns from various NPCs.

  • New NPC - Meet Smitty at a Casino near you.

  • Smitty will be selling Slime Keys along with a new gift wrap for all your gift-giving needs.

  • Slime Keys will continue to be available even after the Casino disappears. However Smitty, with his shady slime connections, might be able to cut you a deal on the price.

14 comments Read more

June 16

Solstice in the Sun

Attention Knights!

Summer is here and it's time for our solstice celebration! Through June 27, 2016, the Haven Treasury is offering Solstice Prize Boxes.

In these boxes, you may find the following items:

- Variant Tickets
- Crest of Summer / Crest of Winter
- Wings of Summer / Wings of Winter
- Sunshine Aura
- Snowfall Aura
- Crown of Winter / Crown of Summer

Each Solstice Prize Box also includes at least one Summer Confetti and one Winter Confetti item, has a 50% chance of including two, and a 5% chance of including three! Bonus 10% chance of a Bucket of Balloons or a 10% chance to get 5 Golden Slime Coins. For details, head over here.

Please also keep a lookout in Haven during the next few days. We've seen reports that Nonna might make an appearance in hopes of finding some monsters a new home.

36 comments Read more

About This Game

Band together and fight to the Core!
Spiral Knights is a cooperative adventure in a persistent world with a focus on instant, fast-paced action. Arm yourself and join the ranks of the Spiral Knights; stranded on an alien world, they must explore the ever-changing Clockworks beneath its surface in hopes of reaching its mysterious Core.

Key Features

Co-operative Exploration
  • The Clockworks offer challenges that are best tackled with friends.
  • Fight monsters, solve puzzles and discover treasures together!
Instant Action
  • Go from login to a multiplayer adventure in less than a minute.
Ever-changing World
  • The Clockworks cycle levels to explore in real time. Every moment of every day changes the world.
Create an Arsenal
  • There are hundreds of unique weapons and gear to discover and alchemize.
Form Powerful Guilds
  • Guild alliances allow greater influence over the world. Amass powerful minerals to transform the Clockworks!
Free to Play!
  • Spiral Knights is free to play, no subscription is required to enjoy everything the game has to offer.

Special Offer:

  • Team Fortress 2 "The Spiral Sallet" Hat
    Receive a free Spiral Knights-themed Team Fortress 2 hat by unlocking an achievement in Spiral Knights!
    To receive the free TF2 hat, players must reach the first Clockwork Terminal from any gate in the Haven Arcade and unlock the 'Mission Accomplished' achievement. (Players who've already unlocked it will also receive the hat.)

System Requirements

Mac OS X
    • OS: Windows XP, Vista or 7
    • Processor: 1.3ghz processor
    • Memory: 512MB for Windows XP or 1GB for Windows Vista/7
    • Graphics: 64MB Video Memory. GeForce 5 series, ATI Radeon 8500. Latest video driver.
    • Display: 1024x600
    • DirectX®:
    • Hard Drive: 700MB
    • Java: Version 1.6
    • OS: OS X version Snow Leopard 10.6.3 or later.
    • Processor: 1.3ghz processor
    • Memory: 1GB
    • Graphics: 64MB Video Memory. GeForce 5 series, ATI 8500. Latest video driver.
    • Display: 1024x600
    • Hard Drive: 700MB
    • Java: Version 1.6
Customer reviews
Customer Review system updated! Learn more
Mostly Positive (293 reviews)
Very Positive (15,048 reviews)
Recently Posted
Evil Nezz
( 8.0 hrs on record )
Posted: July 1
Good game, lacks new content. Literally takes months (possibly years) for new content and when it does come, its usually mediocre or small.
Helpful? Yes No Funny
( 133.5 hrs on record )
Posted: June 30
It's pretty good, yeah. Any money you spend will last you a really long-♥♥♥ time.
Helpful? Yes No Funny
( 12.7 hrs on record )
Posted: June 30
This is an amazing game that has a lot of potential... but the devs, to be honest with you, are slacking a bit and there arent as mny updates as before. Plus with the uncountable bugs and glitches that are rarely getting fixed or attended to. Play the game for what it is now, an MMORPG-dungeon raiding fun and enticing (somewhat) storyline that will keep you trying to do the quests for the storyline. There are also many other things you can do outside of combat, but the combat is the most fun about the game because it's 79% strategy, 15% what type of gear you have and 6% how you equip yourself before raiding a dungeon.
Helpful? Yes No Funny
Door-to-door Hentai Salesman
( 50.2 hrs on record )
Posted: June 29
With the amount of time i put into this, i wish i could give it a positive review. But i cant.

Pros: Original artstyle, arcade-inspired gameplay, and colorful

Cons: The game feels like an absolute chore. The drop rates for items you need to progress are far too low, and its hard enough to find the boxes they're supposed to drop from. The textures bug out quite often, and its very unappealing.

The worst part about this game, however, is the fact that its become a huge cash grab for the devs.

Through your several days of trying to find the item you need, the game tries its best to remind you, "Hey, why not just buy this premium currency for your hard-earned money and buy it instead?" They constantly try to get you to sink too much of your time and money into this product,

I started playing the game last year, and came back to it this month. It was still the same as it is now, and im immensely disappointed that it hasnt changed a bit.

All i can say is that im deleting all my files for the game, and its very unlikely i'll be pciking this one up again.
Helpful? Yes No Funny
BOO! 👻
( 15.0 hrs on record )
Posted: June 29
Hey, that's pretty good.
Helpful? Yes No Funny
( 150.9 hrs on record )
Posted: June 29
This games is so much fun, and the whole idea is pretty solid. The story of the game is really good, but not gonna give spoilers ofc :p
The game doesn't have a big community but they are good people, i can say you will find great friends in this game.
But the game is not the same thing as it was, the loss of players is the main problem. the game has anual events which are AMAZING, you gotta play those events!! And e good thing is that this game is no longer part of the "three rings" the ones who made this game, it now belong to "grey haven" which is small group of ex-workers from SEGA and one of them is the ex-CEO of "three rings", so basically this game is safe, it won't die, i guarantee it.
Helpful? Yes No Funny
( 7.1 hrs on record )
Posted: June 29
Fun :)
Helpful? Yes No Funny
( 68.3 hrs on record )
Posted: June 29
fun with friends, but this game gets to a pay to play/grind point in my opinion
Helpful? Yes No Funny
( 28.1 hrs on record )
Posted: June 28
pretty good game so far, i have the impierial tricorn, meideval war helm and golden lauel but niether the golden laurel or the miedeval war helm have appeared in my arsenal, so im gonna need help with that.
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
37 of 46 people (80%) found this review helpful
3 people found this review funny
Not Recommended
5.8 hrs on record
Posted: June 4
I would really like to be able to promote this game, but I can't. If it was about 2+ years ago I could, but that is not the case.

First thing, do not be mislead by my amount of hours played. I started SK before it was brought to Steam, and refused to link my main account to my Steam account due to perpetual connectivity issues between the two. I have more hours logged on SK than I have on Terraria and Mincraft combined.

They have changed the tutorial area from when I started, it is admittedly much better now. Has a minor storyline and teaches you how to use your various abilities. The game is much more approachable for newbies. Which is a definite plus. The removal of the energy system to do levels also means that newbies aren't restricted to 10 floors at max before they have to quit for about 24 hours (or pay money). That is all definite pluses.

The issues start about mid-tier, or 3-star gear. 3-star fire crystals and alchemy orbs are incredibly hard to find. Too early and you get 2-star stuff, if you do the boss areas odds are you will get 4-star stuff... and you don't get the recipe to downgrade the 4-star fire crystals to 3-star until AFTER a mision that requires you to level up 3-star gear enough to be in full 4-star gear. This is a minor setback, the big setback is high tier equipment. You need 5-star alchemy orbs and fire crystals for that, and unlike earlier tiers you can not downgrade higher crystals to make them. To fully level a single piece of 5-star equipment is going to cost you 453 fire crystals... or about 50 runs of the boss mission. You have at minimum a shield, 2 weapons, armor, and helmet, at maximum 2 more weapons. So that is a minimum of 250 boss mission runs, or 350 at maximum. And that is just for your starting set of gear.

But they don't want you to grind all that... they want you to buy the crystals. 50 5-star fire crystals costs 700 energy (cash shop currency), which is about 10-12 runs of the boss mission I mentioned, converting in game currency to cash shop currency (via a player run market). AKA NOT CHEAP!

They introduced pets at one point, reworking the mineral system (which originally were used to help influence the dungeons and get you some easy currency as well) into a way to feed and level the pets. There are 3 color pets: red, purple, and yellow. There are 5 colored minerals... 2 of which, blue and green, have absolutely zero use.

There are floors that are just horribly annoying to do, too high difficulty for too little payout. They're nice to experience, but a lot of groups will actively avoid them, to the point of waiting at the elevator at the end of a floor for 10 minutes to avoid such bad floors. Some floors, are amazingly fun. A lot of people hate Candlestick Keep, where an immortal ghost chases you, but I find them fun. Arenas are a blast, along with various other areas. But in comparison you can get Treasure Vaults... which are junk ironically, Compounds that are full of minis and are incredibly annoying, or Fiend floors... which a lot of people despise.

The last constantly available boss was introduced well over 2 years ago. There are minor bosses you can fight once for daily missions, but actual bosses you can just decide to go fight there has not been a new one in ages. There has been more gear added, but it is mostly reskins of other weapons with stat changes. And its hard to level due to the incredibly annoying fire crystal system.

PVP is even worse, it is dominated by people that have quite literally dropped $100s into the game by now. They have the best gear possible, my gear is high end (and I can do fairly well against them) but their stuff puts mine to shame, for the casual player you are just going to get beaten into the ground repeatedly. In addition to that if you don't have accessory slots (cash shop only!) than you are going to be at an even bigger disadvantage as everybody runs with health booster accessories.

On a sadder note, the game is dying. It started when the chief developer left, and now various other devs have as well. At one point it was not uncommon to see a dozen instances of the town going. For one event my guild saw over 70 instances running. Now you are lucky to get 3, and none of them are showing as full.

I really, REALLY want to be able to recommend this game... but I can't, not anymore. I love the art style, it is unique and cute and colorful. I love the music, Candlestick Keep has incredibly creepy but whimsical sounding music, the Wildwoods has beautifully fitting music for how its designed. I greatly like the atmosphere of the game, especially some of the areas created during the game's prime. The Wildwoods look amazing, as much as I dislike Compounds they look fantastic, and the Void is nicely threatening. The combat is fairly balanced in PVE until you hit high end. But I still can't recommend the game. Too many things have changed that just make it not player friendly anymore, and it shows.

Edit: And the game just got bought from Sega by a company called Grey Havens. Hopefully it will be good for the game, but it might be too little too late, only time will tell on that one.
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39 of 53 people (74%) found this review helpful
5 people found this review funny
Not Recommended
1,405.2 hrs on record
Posted: June 11
Ah....this game..the memories.
Spiral Knights was a wonderful game many years ago (2012, 2013). There were so many players, many guilds, amazing new events and just a lovely family. I may not of played this game that much, but i've had enough to get the experience of it. It really made me a happy person. The designing of your character was one of the best unique features in this game. Anyway, I went off for a bit, and came back and everything went dead. The leading top guild died... (The Umpire), events became repetitive, everything was becoming a "pay money for this" kind of thing. If you are to go on it nowadays, there are maybe MAX two guilds in the whole game still alive...and there are either only the poor or rich players. Lockdown (PVP) has died completely as everyone has left...the game has pretty much died completely. The Auction House where people buy the things and people sell has completely died too.. I miss it and i'm sure alot of other people do too. Don't play it, there is no point.
--(Past Player Greywolfrb to anyone who knows me)
Was this review helpful? Yes No Funny
16 of 23 people (70%) found this review helpful
Not Recommended
265.4 hrs on record
Posted: June 4
*Sigh* Where to start... okay, this was originally a recommendation but since the past year, this game has gone downhill very quickly and it is bad. The main issues are: The forging system, the lack of new end game content and the constant repeat of events over and over again. Oh, don't forget the constant new gift boxes instead of new end game content... I don't think it will last much longer at this rate.
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13 of 18 people (72%) found this review helpful
3 people found this review funny
628.5 hrs on record
Posted: June 8
+Fun core gameplay
+Monitization is okay (Pay to hat, pay to not grind)
+Not dead
-Has Linux client, however this client is not on Steam
-Will eat all of your RAM (Java)
Was this review helpful? Yes No Funny
6 of 6 people (100%) found this review helpful
1 person found this review funny
106.5 hrs on record
Posted: June 24
This game stole my soul for a month straight. I must of been drunk or something but I only have good memories of this game. They have ruined this game for me with the recent updates but hey, what do I know. From experience I say this game is worth the $0.00 dollars you pay and you should try it, you just might like it!
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6 of 7 people (86%) found this review helpful
3 people found this review funny
265.6 hrs on record
Posted: June 17
Well after 200 hrs of gameplay i think its time to write a review about this game ...

At the beginning its cool, i mean u cannot stop playing it for some reason until u reach Rank 7 omfg ! I mean seriously ? ok look to be honest I love this game, a close friend of mine recommended me this game and look I'm playing it. There is some items that's get a little frustrated to get... some how they ask u to pay and of course make it A LOT of easier to get those items that u need for upgrade ur set, weapons and level up ur rank.

If i recommend this game I say yes, you should at least try but I'm warning u at the beginning is easy to rank up but then it get a lot of harder to level up...

Gameplay 6/10
Storyline 4/10
Graphics ?? are u kidding ? its java xDD
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8 of 11 people (73%) found this review helpful
1 person found this review funny
Not Recommended
960.1 hrs on record
Posted: June 21
~This game is pretty much dead~

>Party system allows cooperation between up to four players within levels
>Fun weapons and game play
>Leveling up or heating weapons and armours is a rewarding experience

>Parties are now very difficult to form due to the fact that so few people play the game now
>Levels are repetitive and unorginal.
>Party team work used to be a thing until a new mechanic removed the ability for players to revive fallen team mates by sharing their remaining health, now each player needs to stock up on sparks of life, by finding them or buying them.
>Leveling up gear is done by a mechanic called heat. Heat is basically experience and it's physically dropped by boxes and enemies. It used to be an acceptable grind to heat an item, which payed off by the rewarding feeling of accomplishment. This has been removed by the introduction of heat forges. Now you need to buy crystals to progress your weapon to the next level. Often you can find these crystals via random drops, however for higher level weapons you require hundreds of crystals per level and you'd be lucky to find 1 or 2 in a single run. Of course, the idea is that you pay money to level up your gear. If you're a serious player you'll want a lot of gear too, which entails a lot of money to simply do what you can do for free in any normal RPG game -Level up!
>The current developers use SK to dredge money from players who love recycled cosmetics
>PvP is dead.
>All my friends are dead.
>This game is dead.


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15 of 25 people (60%) found this review helpful
3 people found this review funny
3,379.7 hrs on record
Posted: June 6
A game good for adventurers.
Was this review helpful? Yes No Funny
4 of 4 people (100%) found this review helpful
5 of 6 people (83%) found this review helpful
3 people found this review funny
2.6 hrs on record
Posted: June 13
The game is Fun but the lack of real content pushes me away from playing it again, I used to play before adding it to steam, even got one of the rarest pieces of gear too, but ....
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