| Kingdom of Kormarak Quest | Thais Ancient Temple | 4 | — |
| Kingsday Mini World Change | Thais | 2 | — |
| Kissing a Pig Quest | All Free Account Cities, Femor Hills, Ghostlands/Isle of the | 4 | — |
| Knight Outfits Quest | Sabrehaven (NPC Morgan) and Thais (NPC Gregor). | 4 | Premium |
| Koshei the Deathless Quest | Darashia | 3 | Premium |
| Krailos Quest | Krailos. | 5 | Premium |
| Last Creep Standing | Darashia (north of town, ). | 5 | Premium |
| Life Ring Quest | Thais | 2 | — |
| Lion Trophy Quest | Formorgar Mines | 3 | Premium |
| Lion's Rock Quest | Lion's Rock near Darashia. | 7 | Premium |
| Liquid Black Quest | Gray Beach, Fiehonja, Edron. | 18 | Premium |
| Lone Medusa Quest | Vandura Mountain | 1 | Premium |
| Longsword Quest | Dusalk's Troll Clan Cave, near Dwarf Bridge | 6 | — |
| Loose Ends Quest | Ankrahmun, Edron, Outlaw Camp, Thais and Venore. | — | Premium |
| Lumberjack Mini World Change | Fields of Glory | 3 | — |
| Machinery of War Quest | Thais, Orc Fortress | — | — |
| Mad Mage Room Quest | Thais Ancient Temple | 5 | — |
| Mage Outfits Quest | Dark Cathedral, Edron | 6 | Premium |
| Magic Sword Quest | Mintwallin | 4 | — |
| Make Believe Quest | Venore, Thalassara | 13 | Premium |
| Makeshift Warrior Outfits Quest | Gnome Deep Hub. | 5 | Premium |
| Marlin Trophy Quest | Goroma | 1 | Premium |
| Mastermind Potion Quest | Formorgar Mines. | 4 | Premium |
| Measuring Tibia Quest | All over Tibia. | 4 | Premium |
| Medusa Shield Quest | Drefia west of Darashia | 3 | Premium |
| Minotaur Hell Quest | Rookgaard | 4 | — |
| Minotaur Leather Quest | South of Thais. | 1 | — |
| Mintwallin Cyclops Quest | Thais Ancient Temple | 5 | — |
| Mystery of the Valley Quest | * First piece: Nibelor - Inukaya * Second piece: Zao - Muggy | — | Premium |
| Naginata Quest | Thais Dragon Lair | 1 | — |
| Newhaven Legion Helmet Quest | Newhaven | 1 | — |
| Nightmare Isles Mini World Change | Nightmare Isles (via Kha'labal or Devourer) | 1 | Premium |
| Nightmare Outfits Quest | Plains of Havoc | 5 | Premium |
| Nightmare Teddy Quest | Nightmare Isles. | 1 | Premium |
| Nimmersatt's Lair | Northwest of Carlin, . The Tibia Observer location is Ice Is | 3 | Premium |
| No Rest for the Wicked Quest | Edron, Azzilon Castle | 4 | Premium |
| Noble Armor Quest | Deep in a hidden cave below Mt. Sternum. | 2 | — |
| Nobleman Outfits Quest | Irmana (Venore) | 5 | Premium |
| Nomads Land Quest | Ankrahmun, Kha'labal | 4 | Premium |
| Nomads Mini World Change | Kha'labal (north of Ankrahmun) | 8 | Premium |
| Noodles is Gone Mini World Change | Thais and its surroundings | 4 | — |
| Norseman Outfits Quest | Hjaern (Svargrond) | 5 | Premium |
| Obsidian Knife Quest | Ab'Dendriel and Kazordoon | 1 | — |
| Opticording Sphere Quest | Ab'Dendriel, Horestis Tomb, Venore, Fiehonja, Gnomebase Alph | 5 | Premium |
| Oramond Quest | Oramond, Rathleton | 2 | Premium |
| Orc Fortress Quest | Orc Fortress, near Ab'Dendriel | 3 | — |
| Orc Shaman Quest | Venore Orc Cave, east of Venore | 3 | — |
| Orcsoberfest | Orcsoberfest Island | 6 | Premium |
| Oriental Outfits Quest | Razan, Habdel(male)/Ishina, Miraia(female), (Darashia) | 5 | Premium |
| Oriental Trader Mini World Change | Ankrahmun, Carlin or Liberty Bay | 3 | Premium |