Gnomeregan
Quests
There are nine Alliance only quests, three shared quests and two Horde only quests. The quest names are preceeded with quest levels. The first number is the minimum level to acquire the quest and the second is the quest level.
Alliance quests
Pre-instance quests
20(26) Tinkmaster Overspark - This is a quest to lead you to TinkerTown in Ironforge.
27 The Day After - This quest leads you to the town of Kharanos at the base of the mountain near Ironforge. There you talk to Ozzie Togglevolt and obtain the Gnogaine quest. The reward is a minimal bit of XP.
20(26) Save Techbot's Brain! - This quest is completed outside of the instance itself. On a side room off the pit that is straight ahead as you enter you will find Techbot. Techbot is a level 26 Elite mob. Kill him and take the necessary part.
30 Klockmort's Essentials - Another quest to send you to Tinkertown in Ironforge. They sure don't want you to miss going to Gnomeregan.
24(30) Gnogaine - This quest is also completed outside of the instance. This one is a little tricky. You need to stand near a living Irradiated Invader or Irradiated Pillager and use the vial that you were supplied. Bring a friend to hold aggro while you do this.
In Instance quests - Finally the quests to do inside the instance.
20(30) Gyrodrillmatic Excavationators - The guts you need drop off of all sorts of mechanicals in Gnomeregan. You need 24 but these are very plentiful. The worst part is they take up two bag slot.
24(30) Essential Artificials - There are artificial extrapolators spread all around the lower layers of Gnomeregan. Click on one to get an item. You need 12!
25(30) Data Rescue - There are various (four/five?) punch card machines spread around the various levels of Gnomeregan. Click on the and don't forget to ask for an upgraded card. Question here: Do you need to have all the cards with you to turn the quest in? Or can you ditch them as you get higher level cards?
25(30) The Sparklematic 5200! - As you kill troggs you will get grime encrusted objects. Use the cleaners in the friendly gnome camp to clean them and get a random item. Some nice items can be obtained here.
28(34) Grime-Encrusted Ring - This quest is started by a random drop of a grime-encrusted ring from a Dark Iron Agent. The ring needs to be cleaned in a Sparklematic 5200. The Sparklematic 5200 returns a Brilliant Gold Ring. You obain the next quest in the line, Return of the Ring, from the Brilliant Gold Ring.
25(35) The Grand Betrayal - This is the quest to kill the main boss. Rewards are Civinad Robes 18Spi/7Sta Cloth Chest, Triprunner Dungarees 18Agi/6Sta Leather pants, or Dual Reinforced Leggings Mail legs with +7 Defense skill.
Follow on quests: These quests follow earlier Gnomeregan quests.
21(30) The Only Cure is More Green Glow - This is a follow on to Gnogaine. Same thing only you need to use the vial on green glowy mobs inside the instance.
28(34) Return of the Ring - Return the Brilliant Gold Ring to its owner Talvash del Kissel in the Mystic district in Ironforge. You may want to remember this mob as you will need to see him again for a quest line in Uldaman. He will be referred to as 'TDK'.
Horde quests
25(30) The Sparklematic 5200! - As you kill troggs you will get grime encrusted objects. Use the cleaners in the hostile gnome camp to clean them and get a random item. Some nice items can be obtained here.
28(34) Grime-Encrusted Ring - This quest is started by a random drop of a grime-encrusted ring from a Dark Iron Agent. The ring needs to be cleaned in a Sparklematic 5200. The Sparklematic 5200 returns a Brilliant Gold Ring. You obain the next quest in the line, Return of the Ring, from the Brilliant Gold Ring.
28(34) Return of the Ring - Return the Brilliant Gold Ring to Nogg in Orgrimmar.
35 Rig Wars
Boss List
Item List
Cloth
Acidic Walkers - Feet
Hotshot Pilot's Gloves - Hands
Leather
Petrolspill Leggings - Legs
Mail/Shields
Caverndeep Trudgers - Feet
Grubbis Paws - Hands
Weapons
Electrocutioner Leg - Sword
Glass Shooter - Gun
Hydrocane - Staff
Manual Crowd Pummeler - 2H Mace
Oscillating Power Hammer - Mace
Supercharger Battle Axe - 2H Axe
Toxic Revenger - Dagger
Accesories
Electrocutioner Lagnut - Finger