The idle MMORPG that keeps playing while you're away

Train 14 skills, master 9 combat classes with deep passive trees, craft your own gear, trade on a live player-run market and take down monsters in parties of four - right in your browser, no download.

  • Progress offline - come back to your accumulated rewards
  • Real party combat - tank, heal and deal damage together
  • A living economy run entirely by players
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14
Skills
9
Classes
52
Abilities
37
Monsters & bosses
How it works

A simple loop. Endless depth.

Idle at its core: you set the direction, your character does the work - even with the tab closed.

Pick an action

Choose a skill to train or a fight to join. Your character keeps doing it automatically.

Progress while away

XP, loot and gold pile up even when the tab is closed. Reconnect and the game catches you up.

Grow stronger

Spend it on better gear, new classes and tougher content. Repeat at the next tier.

Skills

14 skills that level themselves

Gather raw resources, turn them into gear, and train your combat branches. Every gathering skill runs through 10 tiers of locations.

Mining

Extract ore and gems from mines across ten tiers.

Woodcutting

Chop logs from forests across ten tiers.

Fishing

Catch fish that cook into healing food.

Hunting

Track beasts for hides and crafting materials.

Weaving

Gather fibres and weave them into cloth for armor.

Thieving

Pickpocket targets for gold and rare loot.

Acrobatics

Train agility to raise your evasion in combat.

Smithing

Smelt ingots and forge swords, shields and plate armor.

Crafting

Saw planks into bows, crossbows, arrows and armor.

Cooking

Cook food that restores HP, mana or grants buffs.

Runecrafter

Inscribe runes and craft wands, staves and robes.

Alchemy

Brew potions and mixtures with potent effects.

Enchanter

Enchant equipment with bonus stats and effects.

Melee

Combat branch trained with swords and greatswords.

Ranged

Combat branch trained with bows and crossbows.

Magic

Combat branch trained with wands and staves.

Vitality

Mastery that raises your maximum health pool.

Mana

Mastery that scales max mana and regeneration.

Defense

Mastery combining armor and evasion in one skill.

Crit

Mastery that raises your critical hit chance and damage.

Classes

Nine classes. Nine playstyles.

Each class is tied to its weapon and unfolds through a 10-node passive tree (levels 1-90) plus its own active abilities. Pick a class to see its role and signature passives.

Knight
TankSword

A stalwart defender who grows more unbreakable the more enemies surround them - the only class with reliable party-wide aggro.

Active abilities
LungeCharge and pierce armor - physical hit x1.6-2.4, ignores up to 48% armor.
Reflect ShieldReflect 45% of all incoming damage back to attackers for 8-12s.
TauntForce all enemies to target you for 5-12s. Party only.
War CryAll enemies focus you; gain +20-30% defense for 8-15s.
Shield BashSlam the target for 180% damage and stun for 3-4s.
Passive tree
Sword Mastery Lv 1
Sword damage scales with class level (+1% at lv.1 > +15% at lv.90).
Fortress Lv 10
+3% defense for each living enemy in the encounter.
Iron Skin Lv 20
+15% maximum HP.
Commanding Presence Lv 30
On wave start, gain 100-2000 bonus threat on every enemy (scales with level).
Shield Reaction Lv 40
Reflects 20% of all received damage back to the attacker.
Guardian's Oath Lv 50
In a party: when an ally takes damage, Knight gains aggro on the attacker.
Iron Resolve Lv 60
All ability cooldowns reduced by 15%.
Bulwark Lv 70
+10% defense.
Unbreakable Lv 80
A lethal hit leaves you at 10% HP with 10s immunity. Cooldown: 5 min.
Living Fortress Lv 90
While alive in a party, all members take 5% less damage.
Berserker
Melee DPSGreatsword

A frenzied warrior who turns low health into fuel - the lower the HP, the deadlier the swing.

Active abilities
EarthquakeAoE slam - x1.5 damage, scaling up to x3 at near-zero HP.
EnrageDeal 25% of max HP to yourself, redirect 70% to 2 random enemies.
Rampage+100% attack speed for 5-7s.
Berserk+30-35% damage and -20% defense for 10-14s.
Passive tree
Greatsword Mastery Lv 1
Greatsword damage scales with class level (+1% at lv.1 > +20% at lv.90).
Blood Rage Lv 10
Below 50% HP: +20% damage.
Battle Hardened Lv 20
+15% maximum HP.
Frenzy Lv 30
Below 50% HP: +15% attack speed.
Death's Door Lv 40
Below 20% HP: another +20% damage (+40% total).
Savage Momentum Lv 50
Each consecutive hit: +5% attack speed (max 5 stacks). Resets on miss.
Bloodthirst Lv 60
Killing an enemy restores 50 HP.
Warpath Lv 70
+8% damage.
Undying Hatred Lv 80
Once per encounter: lethal hit blasts 80% of max HP to all enemies.
Murderous Intent Lv 90
+10% damage.
Spellblade
Debuff hybridDual swords

Two blades, two schools of damage. Debuffs protect you and expose the enemy - not the fastest killer, the most calculated one.

Active abilities
Runic SlashPhysical x1.5-2.3, then a guaranteed magic crit ignoring armor.
Arcane MarkBrand target: +25-35% magic vulnerability for 12-20s.
Spectral ChainsPhysical x0.8-1.2, slows target attack speed by 30-45% for 8-14s.
Runic ExplosionDetonate runes: magic AoE x2.2-3.0 to all enemies.
Passive tree
Sword Mastery Lv 1
Sword damage scales with class level (+1% at lv.1 > +14% at lv.90).
Arcane Infusion Lv 10
Unlocks off-hand sword slot. Off-hand hits deal magic damage (50% penalty).
Runic Ward Lv 20
Applying a debuff shreds the target's armor by 18% for 6s.
Arcane Attunement Lv 30
+6% damage.
Dual Edge Lv 40
+8% critical hit chance.
Rune Cadence Lv 50
Global cooldown between abilities reduced by 200 ms.
Spellscar Lv 60
Debuffed enemies deal 15% less damage.
Spellblade's Edge Lv 70
+10% damage.
Soul Drain Lv 80
Hitting a debuffed enemy restores 12 HP.
Runic Mastery Lv 90
All ability cooldowns reduced by 20%.
Ranger
Ranged supportBow

Doesn't kill - dismantles. Weakens enemies for the entire party, and your arrow type shapes your role.

Active abilities
Rain of ArrowsVolley hitting up to 5 enemies for x1.5-2.0 physical damage.
Hunter's MarkMark target: party deals +10-15% more damage to it for 20-30s.
Volley3 rapid shots - spread across up to 3 enemies, or all 3 on one.
Crippling ShotPhysical x1.3-1.9, reduces target armor by 20-35% for 10-16s.
Passive tree
Bow Mastery Lv 1
Bow damage scales with class level (+1% > +10% at lv.90). Unlocks arrow type selector.
Swift Footing Lv 10
+12% evasion.
Poisoned Quiver Lv 20
Unlocks poison arrows: each hit applies a stacking DoT (8% of damage over 6s).
Steady Draw Lv 30
+10% accuracy.
Frozen Quiver Lv 40
Unlocks ice arrows: slow target's attack speed by 10% for 3s on hit.
Rapid Fire Lv 50
Each consecutive hit: +4% attack speed (max 5 stacks). Resets on miss.
Blazing Quiver Lv 60
Unlocks fire arrows: each hit deals an additional 4% magic damage.
Marksman Lv 70
+8% damage.
Eagle Eye Lv 80
Ranged attacks ignore 20% of the target's range armor and evasion.
Death Threshold Lv 90
Amplifies all arrow-type effects by 40%.
Crossbowman
Ranged burstCrossbow

One bolt, one corpse. Stable, predictable and lethal - every second without taking a hit makes the next shot land harder.

Active abilities
Armor PiercerGuaranteed critical hit that completely ignores target armor.
Reload1.5s reload: -50% threat, next shot deals +200% damage.
Suppressing FireAoE x0.7-1.1 on all enemies, slows attack speed by 20-35% for 6-12s.
Passive tree
Crossbow Mastery Lv 1
Crossbow damage scales with class level (+1% at lv.1 > +15% at lv.90).
Precision Lv 10
+12% accuracy.
Heavy Bolt Lv 20
+8% damage.
Armor Cracker Lv 30
Auto-attacks ignore 20% of the target's effective armor on every hit.
Steady Aim Lv 40
+3% damage per second without being hit (max +30%).
Sniper's Focus Lv 50
+15% damage against targets above 50% HP.
Explosive Bolt Lv 60
10% chance: auto-attack hits all living enemies.
Cold Eye Lv 70
+6% critical hit chance.
Ballistic Mastery Lv 80
All ability cooldowns reduced by 15%.
Deadeye Lv 90
Every 10th successful hit deals 250% damage.
Hunter
Pet DPSBow / Crossbow

Never alone. A pet fights at your side - a bow summons a wolf for AoE, a crossbow a turtle that tanks.

Active abilities
Call of the WildEmpower pet: +50% damage and attack speed for 10-14s.
Barbed ShotPhysical x2.0-3.0 plus a bleeding DoT over 6 ticks.
Coordinated StrikeYou and your pet attack simultaneously - your hit plus an instant pet strike.
UnleashPut pet into berserk: x2 damage and attack speed for 15-18s.
Passive tree
Ranger's Bond Lv 1
Pet damage scales with class level (+1% at lv.1 > +20% at lv.99).
Beast Resilience Lv 10
Pet max HP scales with class level (x2 at lv.99).
Symbiosis Lv 20
5% of your damage heals the pet. 5% of pet damage heals you.
Pack Tactics Lv 30
While your pet is alive in combat, you deal +8% damage.
Dual Nature Lv 40
Bow: wolf AoE chance 70%. Crossbow: turtle absorbs 25% of incoming player damage.
Coordinated Strike Lv 50
Each player crit triggers an immediate extra pet attack (cooldown 1.5s).
Primal Bond Lv 60
Once per combat: lethal hit leaves the pet at 1 HP, then regenerates 30% max HP over 5s.
Predator's Instinct Lv 70
Bow: wolf slows enemy attack speed 20% for 2s. Crossbow: turtle shreds armor 15% for 4s.
Alpha Bond Lv 80
Pet inherits 30% of the Hunter's auto-attack damage.
Critical Hunt Lv 90
Pet inherits your crit chance; pet crits deal x1.5 damage.
Priest
HealerWand

"While I live, no one dies." Heals, shields and resurrects - indispensable on difficult content.

Active abilities
Holy MendHeal the most injured ally for 30-50% of their max HP.
PurifyRemove all debuffs from the party, grant 10s debuff immunity.
ResurrectionRevive a fallen ally at 80% HP, or heal yourself when solo.
Holy LightMagic x1.5-2.0 (50% splash to second target), heals priest for 10-15% of damage.
Passive tree
Wand Mastery Lv 1
Wand damage and healing power scale with class level (+1% > +10% at lv.90).
Divine Healing Lv 10
Food healing +20% for the priest and all party members.
Mana Font Lv 20
Casting a healing ability restores 5% of max mana to the priest.
Holy Haste Lv 30
+10% attack speed for all party members.
Blessed Aura Lv 40
All alive party members regenerate 5 HP every combat tick.
Holy Shield Lv 50
Every heal also grants the target a shield worth 10% of the heal amount.
Divine Intervention Lv 60
When any party member is below 20% HP, all priest cooldowns reduced by 30%.
Sanctuary Lv 70
+15% maximum HP.
Sacred Aura Lv 80
All party members take 8% less damage.
Vessel of Light Lv 90
On death: if Resurrection is off cooldown, survive at 30% HP. Otherwise die but heal all allies for 50% max HP.
Elementalist
Magic AoEStaff

One strike and the whole field burns. Auto-attacks chain to nearby enemies, and abilities amplify everything.

Active abilities
Ice BlastMagic x1.5-2.2, slows target attack speed by 10-18% for 2-3s.
MeteorMassive magic AoE x3.0-3.8 to all enemies.
BlizzardMagic AoE x1.8-2.2, slows all enemies -28-42% for 8-12s, adds frostbite DoT.
SupernovaArcane detonation: magic AoE x4.5-5.5 to all enemies. Long cooldown.
Passive tree
Staff Mastery Lv 1
Staff damage scales with class level (+1% at lv.1 > +15% at lv.90).
Chain Lightning Lv 10
10% chance on each auto-attack to splash all additional enemies (magic damage).
Arcane Attunement Lv 20
After casting any ability, 5% of its mana cost is refunded.
Arcane Surge Lv 30
+10% damage.
Overload Lv 40
Casting any ability makes the next 2 auto-attacks deal 150% damage.
Mana Shield Lv 50
30% of incoming damage is absorbed by mana instead of HP.
Arcane Amplification Lv 60
Each Chain Lightning hit applies burning: 15% of splash damage as DoT over 4s (refreshes).
Mastery Overcharge Lv 70
+20% damage.
Arcane Mastery Lv 80
All ability cooldowns reduced by 10%.
Kill Surge Lv 90
Killing an enemy grants +10% damage for 5s (refreshes).
Necromancer
DoT & summonsWand

The enemy dies slowly - that is the plan. Poisons, curses and a corpse servant at your side.

Active abilities
Curse of WeaknessReduce target outgoing damage by 15-25% for 15-20s.
PlagueSpreading poison DoT - jumps to the nearest living enemy on target death.
Necrotic BoltMagic x2.0-3.0 plus a necrotic poison DoT.
VampirismParty buff: auto-attacks restore 10% damage as HP, abilities 5%, for 30-40s.
Passive tree
Wand Mastery Lv 1
Wand damage scales with class level (+1% at lv.1 > +12% at lv.99).
Corruption Lv 10
Auto-attacks have 10-40% chance (scales with level) to apply poison DoT (max 5 stacks).
Soul Drain Lv 20
Every tick of your DoT restores 5 HP to you.
Soul Link Lv 30
+30% mana regeneration.
Raise Dead Lv 40
5% chance on any monster death to summon a corpse servant (50% stats, 20s).
Reaper Lv 50
Killing a debuffed enemy restores 5% of its max HP to you.
Wither Lv 60
Each unique debuff on an enemy reduces its outgoing damage by 2%.
Corpse Mastery Lv 70
Your corpse servant deals 20% more damage.
Entropy Lv 80
Each unique debuff on a foe: +3% of your damage to it.
Soul Harvest Lv 90
Corpse servant damage restores 10% of dealt damage as HP to you.
Combat & parties

Combat that keeps going without you

Build a party, assign roles and push through monsters and bosses. Fights run even while you're offline and resolve when you return.

Parties up to 4

A tank holds aggro, a healer keeps you standing, DPS finishes the job. Roles genuinely matter.

52 abilities

Class abilities plus general abilities learned from scrolls. Build rotations around your style.

37 monsters & bosses

Dozens of foes across zones, from small fry to bosses that demand a coordinated party.

Elite monsters

20 affixes turn ordinary foes into dangerous elites - with x2.5 XP and gold to match.

Offline catch-up

Combat doesn't pause when you leave - progress accrues and is fairly reconciled when you reconnect.

6 weapon types

Swords, greatswords, bows, crossbows, wands and staves - each class is built around its own.

Economy & society

A world that runs on its players

Trade, band together in guilds, complete quests and climb global rankings. Everything you produce has value to someone else.

Player market

A live order book - list and buy ore, ingots, gear, food, potions and runes. Prices move with real supply and demand.

Guilds

Found or join a guild, level it up together and unlock shared perks and bonuses.

Quests

Daily quests keep your progression ticking, while cooperative guild quests pay out shared rewards.

Leaderboards

Compete on total and combat level, gold, kills, every skill and class, plus guild and referral boards.

Friends & referrals

Add friends, invite them to parties or guilds, and earn rewards for the players you bring in.

Live chat

Talk in real time, coordinate raids and trades, and find the people to play with.

FAQ

The short answers

Yes. Crystal Idle is free to play directly in your browser - create an account and start in seconds.
No. It runs in any modern desktop or mobile browser. You can also install it as a PWA for an app-like experience.
Yes. Gathering, crafting and combat keep earning XP, loot and gold while you're away, and are reconciled when you reconnect.
Yes - form parties of up to four players, join a guild, add friends and chat in real time.
It's built for the long haul: 14 skills, 9 classes with 90-level passive trees, tiered locations, elite monsters and bosses - there's always a next goal.

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