Checkpoint
From Sonic Retro
A checkpoint will save your progress through a level, in case you die. Checkpoints also serve as the entrance to a special stage in Sonic 2, and the entrance to a bonus stage in Sonic 3 and Sonic & Knuckles.
A checkpoint will save your progress through a level, in case you die. Checkpoints also serve as the entrance to a special stage in Sonic 2, and the entrance to a bonus stage in Sonic 3 and Sonic & Knuckles.