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Not to be confused with the Drill Eggman or Drill Eggman II from Sonic the Hedgehog 2.

Doctor Robotnik's Jet Drill Pod[1] (ドリルモービル[2] Dorirumōbiru?, lit. "Drill Mobile"), or just Jet Drill for short,[1] is a vehicle that appears in the Sonic the Hedgehog series. It is a big drill machine that was used by Dr. Robotnik during the Angel Island incident.



The Jet Drill is Dr. Robotnik's Egg Mobile connected to an artifact with a hole in the front. This artifact is gray with orange bezels, and, where the Egg Mobile is attached, there are a series of dark orange warning lines. In the intermediate part, on the sides of the Jet Drill, there are two propellers connected to circles (also orange) that allow the user to turn them in order to gain momentum, be able to float, etc. The Eggrobo's Jet Drill is basically the same, except that its drill is missing.

Features and abilities

The Jet Drill's thrusters can be turned sideways. The drill can also be turned sideways, although Robotnik almost always keeps it facing the front. This drill is shown to be quite durable given that it can forcefully destroy almost anything in the Marble Garden Zone that comes close to it, and as if this were not enough, it can also cause devastating earthquakes that can greatly affect structures.

While the Eggrobo does not have the drill anymore, it can launch strings of iron balls.

The Eggrobo's Jet Drill cannot cause earthquakes or destroy stone structures. To compensate for this, this Jet Drill model can launch almost endless strings of iron balls that act as lasers in battle.


Sonic the Hedgehog 3 & Knuckles

In Sonic the Hedgehog 3, and its lock-on version Sonic the Hedgehog 3 & Knuckles, Dr. Robotnik went with the Jet Drill to the Marble Garden Zone and smashed stone structures and caused strong earthquakes mercilessly trying to ambush Sonic the Hedgehog and Miles "Tails" Prower. However, the duo survived, and the doctor, unsurprised, escaped. While fleeing, Sonic and Tails prevented him from escaping and Robotnik lost the battle, and the heroes went to Carnival Night Zone.

Later, an Eggrobo rebuilt the Jet Drill, albeit with minor modifications. When Knuckles was in the Marble Garden Zone, he ambushed him in a dead end room. However, the echidna defeated the robot, and then escaped to Carnival Night Zone.


Doctor Robotnik's Jet Drill Pod is the boss of Marble Garden Zone Act 2 in Sonic the Hedgehog 3 and Sonic the Hedgehog 3 & Knuckles and the sixth boss overall. In Sonic the Hedgehog 3, the Jet Drill is confronted by Sonic and/or Tails. In Sonic the Hedgehog 3 & Knuckles, it can also be fought with Knuckles.

Boss guide

Similarly to the Tunnelbot in Marble Garden Zone Act 1, Robotnik will make surprise appearances in the Jet Drill during the course of Marble Garden Zone Act 2.

The first time the Jet Drill appears is near the beginning of Act 2, inside a small temple. There, as the surroundings begin to shake, the Jet Drill (with Robotnik piloting it) will pop out of the ground in the right side of the hall. If the player damages the Jet Drill once or leaves it undisturbed for some time, Robotnik will begin drilling into the ceiling with the Jet Drill and the player will be able to continue on normally through the Zone. However, the player can still take damage from the Jet Drill should the playable character touch its drill or engine part.

Sonic and/or Tails

The Jet Drill and Robotnik will reappear later in the Act, inside another hall in a similar fashion to its first appearance, this time on the left. There, the doctor will cause the temple surroundings to crumble with the Jet Drill, and after the player hits the Jet Drill once, Robotnik will similarly start drilling into the ceiling and disappear again. However, the player must go through the following section of the Act before the crumbling ceiling collapses entirely and crushes the playable character.

Dr. Robotnik collapses the terrain below Sonic and Tails at the beginning of the battle.

At the end of Marble Garden Zone Act 2, the player faces Robotnik in his Jet Drill on a flat portion of ground. Here, Robotnik slowly descends from above Sonic/Tails and destroys the ground by smashing into it and causing it to collapse. The battle takes place in the midair, where the duo follow the Jet Drill through the air as Tails carries Sonic. The player can use D-pad to make Tails fly any direction indefinitely. After Robotnik has flown with the Jet Drill for some time, the doctor will fly off-screen. Depending on the side of the screen that Robotnik flies into as he moves into the background, he will reappear from the same side of the screen and move in an almost straight line to the opposite side, with the drill attachment aimed in the direction the Jet Drill is heading. As mentioned earlier, the player must avoid the drill and active engine parts below the mobile in order to avoid taking damage.

When the player decides to attack, Sonic can jump regularly by pressing the jump button to perform a Spin Jump into the Jet Drill. If the player misses and falls off-screen, it will not count as falling into a bottomless pit, and Tails will instead follow Sonic to catch him and pull him back up to the screen. If the player has Tails as the playable character, the battle is more challenging since Tails cannot jump in midair. The only way to damage the Jet Drill as Tails is to go below the Jet Drill and attack it with Tails' spinning tails while he is flying. After landing eight hits, the Jet Drill will be destroyed and Robotnik will escape. After opening a capsule in midair, the player will clear Marble Garden Zone.


Knuckles' version of the Jet Drill fight in Sonic the Hedgehog 3 & Knuckles.

In Sonic the Hedgehog 3 & Knuckles, Knuckles confronts the Jet Drill earlier in Marble Garden Zone Act 2, where it is piloted by EggRobo. However, during the Act, Knuckles is unable to reach the last Relief on the wall. As such, the player must climb up and go down a different pathway which is meant only for Knuckles.

After getting inside the temple, the player meets EggRobo in the Jet Drill again who then flies up through the ceiling, causing the place to crumble. Like in Sonic and/or Tails' version of the fight, the player must eventually go through the section with a collapsing ceiling. After this, the player will enter another temple, where they will fight EggRobo in the Jet Drill.

The EggRobo version of the Jet Drill battle is different from the battle with the Jet Drill featured in Sonic and/or Tails' version of the fight. In this battle, the Jet Drill will fire a chain of iron balls from one of four different locations (either from the ceiling or from the floor) which will then re-emerge from another location. The Jet Drill itself will then travel along this chain before repeating the process. The formation of the chain is different each time, with the player having to watch for where the chain will pop out. The Jet Drill can only be damage are when it comes out of the ceiling or the ground, although the player can take damage if they touch the engine parts of the Jet Drill. After hitting it eight times, the Jet Drill will be destroyed, and EggRobo will escape. After opening the capsule, the player will clear Marble Garden Zone Act 2.


  • In the Sonic/Tails version of the fight, if the player moves below the collapsing pillar when Robotnik destroys the terrain, the player will eventually get crushed by the pillar's upper part despite the pillar itself being unable to do so.
  • It is possible for Sonic (and Tails) to fight Knuckles' boss using Debug Mode and vice-versa. When Knuckles enters the Sonic/Tails version of the battle, EggRobo is seen piloting the Jet Drill, while Tails flies and carries Knuckles in the mid-air normally.
  • Knuckles' version of Jet Drill fight has the mid-boss BGM playing in the background for an unknown reason.
  • The Jet Drill makes a small cameo appearance in Sonic Chronicles: The Dark Brotherhood, where it can be discovered wrecked near EggRobo, capsules and a Sega Mega Drive at the Metropolis.




  1. 1.0 1.1 Sonic the Comic #36, "Sonic 3 Part 3 - The Bosses"
  2. (in Japanese) ソニック・ザ・ヘッジホッグ3 公式ガイドブック. Shogakukan. 1 July 1994. p. 43. ISBN 978-4091024794.

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