Robbing Rings Decreasing momentum
Hazardous blocks with sharp hatchways.
Chopper Block ( ダメージブロック Damēji Burokku , lit. "Damage Block") ?   is a recurring obstacle in the  . Found in Sonic the Hedgehog series Special Stages or Bonus Stages, these hazardous blocks can snatch Rings from the player.
Chopper Blocks are booby-trapped blocks with either rectangular or round-shaped holes on the top. These holes have sharp hatchways which are constantly chopping the hole's hatch. When making contact with a Chopper Block, the player will be robbed of a certain amount of their
Rings in addition to another negative effect, which depends on the game.
Sonic the Hedgehog CD
Sonic falls down and loses Rings from Chopper Blocks in . Sonic the Hedgehog CD
, Chopper Blocks are found in every Sonic the Hedgehog CD Special Stage, appearing in rows on the terrains' roads. If Sonic passes through the Chopper Blocks, he comes to a complete stop and falls flat on his face in addition to losing Rings. The player can avoid these blocks by Spin Jumping over them.
A Chopper Block in a
Bonus Stage in . Knuckles' Chaotix
, Chopper Blocks are found in the Knuckles' Chaotix Bonus Stages, although they are referred to as Damage ( in Japanese material. ダメージ ) ? Here, Chopper Blocks fly randomly around and will reduce the player's time in the Bonus Stage in addition to subtracting ten  Rings from the player.
Sonic | Tails | Amy | Dr. Eggman | Metal Sonic | Animals ( Flicky, Pocky, Ricky, Pecky, Sheep, Swallow)
Badniks Amenbo | Antlion* | Anton | Bata-Pyon | Bigbom | Dango | Ga | Hotaru | Kabasira | Kama-Kama | Kanabun | Kemusi | Kumo-Kumo | Mecha-Bu | Minomusi | Mosqui | Noro-Noro | Pata-Bata | Poh-Bee | Sasori | Scarab | Semi | Taga-Taga | Tamabboh | Tentou | Tonbo | Yago
Rounds Palmtree Panic | R2* | Desert Dazzle* | Collision Chaos | Tidal Tempest | Quartz Quadrant | Wacky Workbench | Stardust Speedway | Metallic Madness | Special Stage | Bonus Stage*
EGG-HVC-001 | R2 Boss* | Collision Chaos Boss | Tidal Tempest Boss | Quartz Quadrant Boss | Wacky Workbench Boss | Metal Sonic | Psyco-Egg | Final Fever*^
Propeller Flying^ | Ring Spark Field | Spin Jump | Super Spin Attack | Super Spin Dash | Super Peel Out | V. Maximum Overdrive Attack
Ring | Monitor ( Extra Life, Invincibility, Power Sneakers, Super Ring, Shield, Time Bonus) | Spring | Star Post | Bumper | Switch | Air Bubbles | Signpost | Capsule
Breakaway Bumper | Chopper Block | Conveyor Belt | Cosmic Eternity - Believe in Yourself | Crusher | Dash Zone | Debug Mode | Fan Block | Electric Generator | Flipper | Flywheel | Freeze | High-speed warp tube | Little Planet | Little Planet flowers | Metal Sonic Projector | Never Lake | Robot teleporter | Rotating platform | Seesaw | Shuttle loop | Size Beam | Snowblower | Sonic Boom | Sonic the Hedgehog Boom | Sonic - You Can Do Anything | Spring Pole | Time Attack | Time Stone | Time Warp Plate | UFO | Winding Tunnel
*Scrapped information about
Sonic the Hedgehog CD. ^Wasn't mentioned in the Sega Mega-CD release of the game.
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Knuckles | Vector | Mighty | Charmy | Espio | Heavy the Robot | Bomb | **********
Dr. Robotnik | Metal Sonic | Sonic | Tails | Amy
Amazing Arena Badnik 1, 2 | Bombbearer | Botanic Base Badnik 1, 2, 3 | Bushbubble | Dribbler | Gotcha | Hoverby Mk II | Isolated Island Badnik | Motorspike | Needlenose | Piranha | Poptank | Ringleader | Spiketower | Techno Tower Badnik 1, 2, 3 | Ticktock
Isolated Island | Botanic Base | Speed Slider | Amazing Arena | Techno Tower | Marina Madness | World Entrance | Special Stage | Bonus Stage
Amazing Arena boss | Amazing Arena sub-boss | Botanic Base boss | Marina Madness boss | Speed Slider boss | Techno Tower boss | World Entrance Level 1 | World Entrance Level 2
Climb | Dash | Glide | Plasma Pulse Attack | Double Jump | Spin Dash | Spin Jump | Super Spin | V. Maximum Overdrive Attack | Wall Jump
Exit | Balloon | 1207 Beta version | Archie Knuckles' Chaotix | Chaos Ring | Chopper Block | Combi Catcher | Debug Mode | Dark Ring | High-speed warp tube | Monitors ( Super Ring, Combine Ring, Power Sneakers, Shield, Invincible, Swap, Grow, Shrink, Change) | Newtrogic High Zone | Ring Power | Ring | Signpost | Spring | Sonic Crackers | Sphere | Switch | "X" Bumper