Hard achievements require the player to know more about the game, as well as upgraded gear.
There are 45 total achievements for this category.
| Achievement | Description |
|---|---|
| Avengers III | Complete 75 Avengers Arcade. |
| Bird Watcher III | Open 20 Bird's Nests. |
| Box Opener I | Open an Owner's Box. |
| Cerberus II | Kill 250 Cerberus. |
| Clue Hunter III | Complete 250 Clue Scrolls. |
| Crimson Chin II | Kill 250 Crimson Chin. |
| D.C. Universe III | Complete 250 D.C. Universe Arcade. |
| Demonic Gorillas II | Kill 250 Demonic Gorillas. |
| Divine Tree Spirits III | Kill 25 Divine Tree Spirits. |
| Doomblade Slayer I | Kill 100 Doomblade Rogue. |
| Dreamland I | Complete Dreamland 5 times. |
| Enraged Tree Spirits I | Kill 5 Enraged tree Spirits. |
| Feel The Burn I | Kill 50 Vulcan. |
| Green Thumb III | Harvest 500 herbs. |
| Grinder Points III | Grind 2,500,000 Grinder Points. |
| Grotesque Guardians II | Kill 250 Grotesque Guardians. |
| Group Slayer III | Complete 25 Group Slayer Tasks. |
| Karma Food I | Sacrifice 10,000 Karma Food to the Karma Statue. |
| Lottery I | Participate in the Item Lottery. |
| Lottery II | Participate in the Jackpot Lottery. |
| Make it Rain I | Spend 25b in Fountain of Fortune. |
| Marrow Reaper Slayer I | Kill 500 Marrow Reaper. |
| Master of Fishing III | Complete 5 hard fishing tasks. |
| Nex I | Kill 250 Nex. |
| NPC Killcount III | Achieve 250,000 NPC Kills. |
| Pepe Slayer III | Kill 100 Vote Bosses. |
| Politician III | Claim 45 Vote Redeem Codes. |
| Pyromaniac III | Offer 750 logs to the Bonfire. |
| Quiz Master III | Answer 15 Trivia Question. |
| Runecrafting III | Craft 20,000 runes. |
| Secured the Bag III | Obtain 1,500 Money Bags from the Money Tree. |
| Slayer Keys III | Open 50,000 Slayer Keys. |
| Slayer Master V | Achieve Prestige 5 Slayer. |
| Slayer Master VI | Achieve Prestige 6 Slayer. |
| Slayer Master VII | Achieve Prestige 7 Slayer. |
| Slayer Superior II | Complete 100 Slayer Superiors. |
| Slayer Tasks II | Complete 500 Hard Slayer Tasks. |
| Slayer Tasks IV | Complete 250 Boss Slayer Tasks. |
| Staff of Awakening | Equip a Staff of Awakening. |
| Telos I | Kill 50 Telos. |
| Tempoross III | Loot 500 Permits from Tempoross Pool. |
| The Great Olm I | Kill 100 of The Great Olm. |
| The Nightmare II | Kill 100 of The Nightmare Boss. |
| Theatre of Blood III | Loot Theatre of Blood chest 100 times. |
| Woodcutting Tasks III | Complete 25 Woodcutting Tasks. |
