Sonic Mania/Bugs/Oil Ocean Zone

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Glitches specific to Oil Ocean Zone in Sonic Mania and Sonic Mania Plus.

Act 2

Harmless smog

Position yourself here...

...and you'll avoid the switch.

If the player positions themself in a specific spot when the Signpost falls at the end of Oil Ocean Zone Act 1, they will fall between the oil slide and switch, avoiding the switch altogether. This allows the player to regain control sooner than intended and proceed through Act 2 without being harmed by the smog, so long as they don't pull on a switch, die or enter a Special or Bonus Stage.

Getting the right position to exploit this bug is easier to do as Tails or Ray, as they do not move during their victory animations.

Not fixed in any version.

Glitches when dying on a sub hatch

In Encore Mode, two glitches are known to happen if the player dies from the moving spiked objects above the secret submarine. If the player is standing on the edge of the hatch door and dies there, their death sprite will be stopped by the hatch door and remain on-screen. This essentially softlocks the game as the player cannot do anything else to get out of this, so the only option is to restart the game.

If the player dies while directly above the hatch door, their character will enter the sub during their death animation and survive. From this point on, should the player pause the game, their character will not stop moving, essentially allowing the player to move their character while the game is paused. While in this state, the camera will not follow the player's character, nor will they interact with any objects. Skidding or attempting the Spin Dash will even cause the dustclouds to remain on the screen.

These glitches cannot be performed with Mighty, as he is impervious to spikes when curled up in a ball.

Not fixed in any version.