Bubbler

The Bubbler was set to appear in Chemical Plant Zone. It is dropped onto the ground by Bubbler's Mother where it would proceed to bubble up before exploding.

Several sprites of it were found in the Simon Wai prototype as can be seen on the left.

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  More concept art.

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Sonic the Hedgehog 2 (16-bit)

Sonic 2 Main Article (KiS2) Levels Enemies Bosses Bug List Prereleases Music: OSV / OST Level Maps Cheat Codes (KiS2) Commercials Print Advertisements Magazine Articles Game Development Game Secrets SCHG

Regular Levels: Emerald Hill Chemical Plant Aquatic Ruin Casino Night Hill Top Mystic Cave Oil Ocean Metropolis Sky Chase Wing Fortress Death Egg Special Stage Scrapped Levels: Dust Hill Zone | Genocide City/Cyber City Zone | Hidden Palace Zone | Rock Zone | Winter Zone | Wood Zone Advertisements: Sonic Mall Hot Hot Hot Welcome to the Next Level To see all print and TV advertisements, visit the Advertisements page. Enemies and Obstacles: Aquis Asteron Balkiry Buzzer Chop Chop Clucker Coconuts Crawl Crawlton Flasher Grabber Grounder Masher Nebula Octus Rexon Shellcracker Slicer Sol Spiker Spiny Turtloid Whisp Scrapped Enemies and Obstacles: Banper BBat Bee BFish Bubbler Bubbler's Mother Frog Gator Redz Snail Stego Others Bosses: Drill Eggman (EHZ) Water Eggman (CPZ) Hammer Eggman (ARZ) Catcher Eggman (CNZ) Submarine Eggman (HTZ) Drill Eggman II (MCZ) Submarine Eggman II (OOZ) Flying Eggman (MZ) Barrier Eggman (WFZ) Mecha Sonic (DEZ) Giant Mech (DEZ) Cheat Codes: These are cheat codes which can be accessed by inputting button sequences or by various other methods. Note: in cheat codes, + signifies that the buttons must be held simultaneously. Zone Select: Play tunes 19, 65, 09, 17 on the options screen, + on title screen. 14 Continues: Play tunes 01, 01, 02, 04 on the options screen. An incorrect sound command is issued, causing OOZ music to continue playing until a reset. Super Sonic: Play tunes 04, 01, 02, 06 on the zone select sound test, an emerald sound triggers, select zone, hold until Sonic appears. Debug mode + Slow-motion/Restart: Play tunes 01, 09, 09, 02, 01, 01, 02, 04 on the zone select sound test, a ring sound triggers, select zone, hold until Sonic appears. Super Sonic + Debug: Play tunes 01, 09, 09, 02, 01, 01, 02, 04, 01, 02, 06 on the zone select sound test, a ring sound triggers after 04 and an emerald sound triggers after 06, select zone, hold until Sonic appears. For a list of all codes, see Cheat Codes:Sonic the Hedgehog 2 (16-bit).