Scarlet Fortress/Grim Gallery

• Gun Puppy
• Rocket Puppy
• Jelly Cube
• Rock Jelly Cube
• Spookat
• Pepperkat

• Lamp
• Clay Pot
• Crystal Block
• Stone Block
• Explosive Block
• Timed Explosive Block
• Spike Trap
• Switch
• Energy Door
• Heavy Statue
• Pressure Pad
• Mineral Spire x2
• Treasure Box x13 (6 behind Energy Doors)

This level was introduced with release 2011-06-22.

It is the only place that always has Rock Jellies, which are otherwise a rare monster spawn.

The 5-2 Mission: Time Enough at Last always has this level as its final floor, with a special scenario at the end.

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  Map of Grim Gallery.

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  Certain spaces are out of the way.

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  A small library-like area.