Sky Chase Zone is the ninth zone in Sonic the Hedgehog 2. The entire level is auto-scrolling, with Sonic standing on the Tornado, which will move with Sonic. If you jump to hit a badnik, Tails will fly in and keep you from falling. Half way through the Level, you will fly right by Robotnik's Wing Fortress.
Because it is auto scrolling, some players believe it is very frustrating due to the fact that they cannot go back and collect rings that they have missed, and also because it is a much slower paced level than the earlier, more linear levels. However, there are others who believe it to be easiest, for the same reason. All that needs to be done to complete the level is to survive, which just means jumping when a badnik comes!
Instruction Manual Description
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Robotnik has escaped to the sky! Sonic's a wing-walker (and "Tails" is his pilot!) in a perilous battle above the clouds!
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.
