Steam版には実績(Steam Achievements)と呼ばれる、ゲーム中に特定の条件を満たすことで解除・取得できる制度があります。
プレイヤー人口全体の実績解除率がわかります。
http://steamcommunity.com/stats/TorchlightII/achievements/
Lizard Breaker: Defeat Aruk
Revolt Against Artifice: Defeat the Artificer
Flyswatter: Defeat Bloatfang
The Big Chillhoof: Defeat Chillhoof
Mission Accomplished: Defeat the Dark Alchemist
Casuality: Defeat the Nether King in Casual difficulty
Normalized: Defeat the Nether King in Normal difficulty
True Outlander: Defeat the Nether King as an Outlander
Dragon Slayer: Defeat Vyrax
Ezrek Gone: Defeat Ezrek Khan
The Felled Guardian: Defeat the Fallen Guardian
Grand Regicide: Defeat Grand Regent Eldrayn
When Grell Fell: Defeat General Grell
The Fall of the Wild: Defeat the Grizzled Alpha
Emancipator: Defeat Kidrik the Mauler
Killbot… Killed: Defeat Killbot
Manticore: Defeat the Manticore
Who's Your Friend: Defeat the Manticore's Mate
From The Pit: Defeat Mordrox
The King is Dead: Defeat the Nether King
DEAD THINGS!: Defeat One-Eyed Willy
Pogg Slammed: Defeat King Pogg
Siege Breaker: Defeat the Siege Guardian
Arachnothanatology: Defeat the Winter Widow
Breaker: Break 100 breakables
Thinking Critically: Deal 1,000 critical strikes
Having A Blast: Fish using dynamite
Gibster: Explode 100 enemies
Gib Aficionado: Explode 1,000 enemies
Champ Battler: Defeat 25 champions
Overpower: Do 10,000 damage with a single attack
Get This Party Started: Start a multiplayer game
From The Top: Begin new game plus
Treasure Hunter: Open 20 chests
Stepping Out: Take 10,000 steps
I Know a Secret: Find a secret room
Fetch A Fair Price: Send your pet to town
Skill Enthusiast: Obtain a tier 1 skill bonus
Socketeer: Socket a gem into an item
A New Trick: Teach a pet a spell
Pet Savant: Teach a pet 4 spells
Spellcaster: Learn a spell
Continuing Education: Learn 4 spells
X Marks The Spot: Use a map
Quaffer: Use 50 potions
Ghost Buster: Defeat Thiss
Well Dressed: Wear a completed armor set
Destructor: Break 1,000 breakables
Bull In A China Shop: Break 10,000 breakables
Massive Crits: Deal 10,000 critical strikes
Hypercritical: Deal 100,000 critical strikes
Enchanted: Use an enchanter 10 times
Self Improvement: Use an enchanter 50 times
Performance Enhancer: Use an enchanter 500 times
Gib Tycoon: Explode 10,000 enemies
Apprentice Baiter: Fish 10 times
Journeyman Fisher: Fish 100 times
Master Angler: Fish 1,000 times
Friendly: Add a friend
Socializer: Have 10 friends
Butterfly: Have 50 friends
Gambling Enthusiast: Purchase 20 items from the gambler
Gambling Professional: Purchase 50 items from the gambler
Gambling Fiend: Purchase 100 items from the gambler
Goodbye Cruel World: Die with a hardcore character
Hardcore: Start a hardcore character
For A Rainy Day: Have 100,000 gold
Nest Egg: Have 1,000,000 gold
The One Percent: Have 10,000,000 gold
Champ Master: Defeat 100 champions
Champ Overlord: Defeat 500 champions
In Your World: Join a multiplayer game
Plunderer: Open 100 chests
Chest Nut: Open 500 chests
Wanderer: Take 50,000 steps
Globe-trotter: Take 100,000 steps
Gem Recovery: Recover a gem from an item
Gem Preservation: Recover 10 gems from items
Gem Hoarding: Recover 100 gems from items 10 / 100
Stone Smasher: Destroy a socketed gem
Rock Crusher: Destroy 10 socketed gems
Ice Breaker: Destroy 100 socketed gems
In Service of Secrets: Find 10 secret rooms
No More Secrets: Find 100 secret rooms
Peddler: Sell 500 items
Vendor: Sell 5,000 items
Trash Magnate: Sell 50,000 items
Skill Devotee: Obtain a tier 2 skill bonus
Skill Master: Obtain a tier 3 skill bonus
Twinkle Twinkle Bobba: Socket 50 gems into items
The Blingbearer: Socket 500 gems into items 50 / 500
Trader: Trade an item with another player
Map Enthusiast: Use 10 maps
Cartophile: Use 100 maps
Mod Squad: Install a mod
Mod Maniac: Play a game using 5 mods
Modpocalypse: Play a game using 10 mods
Tippler: Use 500 potions
Guzzler: Use 5,000 potions
Gooey Soles: Squish 100 critters
Squish Gallop: Squish 500 critters
Critter Crusher: Squish 1000 critters
Spectacular Find: Find a legendary item
Century Mark: Reach level 100