unlockable bonus game

C55372
concept

An unlockable bonus game is a hidden or extra game mode that becomes accessible only after meeting specific in-game conditions or achievements.

All labels observed (2)

Label Occurrences
bonus stage 2
unlockable bonus game canonical 1

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: unlockable bonus game
Generated description
An unlockable bonus game is a hidden or extra game mode that becomes accessible only after meeting specific in-game conditions or achievements.

Instances (3)

Instance Via concept surface
Green Switch Palace bonus stage
Forest Secret Area bonus stage
Sonic Mega Collection Plus (as an unlockable in some regions)
surface form: Sonic Mega Collection Plus