An Item Box containing the Eggman Mark, from
Inflicting damage Granting nothing
Eggman Mark  (, also known as エッグマントラップ  Egguman Torappu , lit. "Eggman Trap") ? Robotnik or  Eggman (, is an エッグマン    Egguman ) ? Item Box power-up that appears in the . When obtained, it damages the player.
Sonic the Hedgehog series
The Eggman Mark is known to have the smiling face of
Dr. Eggman on its monitor's screen. When breaking its monitor, it will cause the player to take damage, resulting in the loss of either a shield, Rings or even a life, should the player not have any Rings on them at the time. However, it does not have any effect if the player is invincible or in a Super State.
Sonic the Hedgehog 2
, this power-up is referred to as Sonic the Hedgehog 2 Eggman Mark ( or just エッグマンマーク  Egguman Māku ) ? Eggman ( in Japanese sources. It only appears in the 2 Player VS mode. During gameplay in this mode, this エッグマン  Egguman ) ? monitor can only be obtained from Random monitors.
2013 remaster of the game, the Eggman Marks can appear in the normal game using Debug Mode. They may also be randomly granted to the player from Random monitors.
Sonic the Hedgehog 3 & Knuckles
Sonic taking damage due to a Robotnik, from . Sonic the Hedgehog 3
, Sonic the Hedgehog 3 , and the Sonic & Knuckles lock-on game , the Eggman Mark is referred to as Sonic the Hedgehog 3 & Knuckles Robotnik  (. In these games, Robotnik monitors are more rare, but are set in inconsistent places. When broken in gameplay, they inflict damage to the player, but will do nothing to them if they are エッグマン  Egguman , lit. "Eggman") ? invincible or in their Super/ Hyper State.
The first Robotnik monitor can be found in an underwater section of
Hydrocity Zone Act 2 in a corner on top of a bed of spikes. The next two Robotnik monitors can be found in a cavern of IceCap Zone Act 2 (where their monitors are frozen in ice blocks), just before the player leaves the cavern by trampolines. Another three Robotnik monitors are found in Launch Base Zone Act 2, where two are set at the foot of a tunnel and a single one in a corner with a Super Ring monitor, where the player pops out the water pipe. These three Robotnik monitors only appear in Sonic the Hedgehog 3, and are replaced with two Super Rings and an Invincibility when playing this Act in Sonic the Hedgehog 3 & Knuckles.
In the Zones associated with
Sonic & Knuckles, the next Robotnik monitor is found in Mushroom Hill Zone, which is right next to a Super Ring monitor, which hides a Spring beneath it. The next two are found in the second act of Lava Reef Zone, where they are set at the foot of a blocked, hidden entrance, which are placed near the main path. The last one can be found in Death Egg Zone Act 2, which is placed near an anti-gravity switch and right next to a Super Ring monitor.
, the Eggman Mark is simply known as Sonic Blast Eggman ( in Japanese sources. However, it is unnamed in western sources. They can be obtained from エッグマン  Egguman ) ? TVs, and at random chance from ??? TVs at times. In gameplay, the Eggmen do nothing when broken.
Sonic the Hedgehog (2013)
2013 remaster of , the Eggman Marks appear as monitors that can only be placed through Sonic the Hedgehog (16-bit) Debug Mode. When broken, it damages the playable character. However, these monitors do nothing if the player is invincible or in their Super State.
, and its expansion Sonic Mania , the Sonic Mania Plus Eggman Marks  ( are エッグマントラップ  Egguman Torappu , lit. "Eggman Trap") ? Item Boxes with the face of Dr. Eggman. In gameplay, can be found in sporadic locations throughout Mania Mode and Encore Mode. They can also be placed in any Zone using Debug Mode. When broken, the Eggman Marks damage the playable character. However, these Item Boxes do nothing if the player is invincible or in their Super State.
Navigation templates to Eggman Mark
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Sonic the Hedgehog 1&2 Soundtrack
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* Appears only in prototype versions
** Appears only in re-releases
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Gimmicks and obstacles
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*Appears in Competition mode only
**Appears in re-releases only
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Sonic & Knuckles • Sonic the Hedgehog 3
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*Appears in re-releases only
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Gimmicks and obstacles
Arrow column | Beanstalk | Bomb | Bumper | Bungee Rope | Bumper wall | Cannon | Capsule | Conveyor Belt | Crusher | Dash Panel | Dropping platform | Electrical conduit | Fan | Fireball | Flipper | Flywheel | Glove on a stick | Goal Plate | Hang Glider | High-speed spiral tube | High-speed warp tube | Ice Spring | Iron ball | Jump Panel | Lighting switch | Magnetic sphere | Platform-raising Wheel | Pulley | Ruby Mist | Saw | Seesaw | Sinking pool | Shrink ray | Snowblower | Spikes | Spring | Star Post | Switch | Transport | Vine | Zipline
Air Bubble | Chaos Emerald | Giant Ring | Giant spear | Item Box ( 1-UP, Blue Shield, Bubble Shield, Character*, Hyper Ring, Eggman Mark, Fire Shield, Invincible, Lightning Shield, Player Swap, Power Sneakers, Random, S, Super Ring) | Little Planet flowers | Master Emerald | Metal Sonic hologram | Medallion | Ring | Robot transporter | Schrodinger's Capsule* | Sphere | Star Circle | Time Warp sign | UFO | Warp Point
| Sonic Mania (vinyl album) | Sonic Mania Original Soundtrack (Selected Edition)
Sonic Mania Plus Original Soundtrack
Angel Island | Auto Running | Continue | Corkscrew | Death Egg Robot | Debug Mode | Eggmobile | Freeze | Game Over | Klepto Mobile | Level Select | Life | Little Planet | Loop | Mega Mack | Phantom Ruby | Perfect Bonus | Popgun | (" Sonic Mania Adventures Sonic Returns", " Sonic and Tails", " & Knuckles", " Mighty and Ray", " Metal Mayhem", " From: A. Rose", " The Complete Mini-Series") | S pipe | Time Attack | Time Over | Time Warp | Tornado | Water
*Appears in only
Sonic Mania Plus