This category is for levels with layouts qualified for the Underwater theme.
To add an article to this category, put [[Category:Underwater theme]] in that article.
All items (48)
- Angel Island Zone (Sonic Mania)
- Aqua Lake Zone
- Aqua Planet Zone
- Aquarium Park
- Aquatic Base
- Aquatic Mine
- Aquatic Relix Zone
- Aquatic Ruin Zone
- Carnival Night Zone
- Cavern Island
- Chemical Plant (Sonic Forces)
- Chemical Plant (Sonic Generations)
- Chemical Plant Zone (Sonic Mania)
- Chemical Plant Zone (Sonic the Hedgehog 2)
- Coral Cave
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