North - Heroes of Sokoban（Jonah Ostroff）

• Heros of Sokoban
• Heroes of Sokoban II
• Heroes of Sokoban III

East - Mirror Isles（Alan Hazelden）

• Mirror Isles

West - Promesst （Sean Barrett）

• Promesst
• Promesst 2

South - Skipping Stones to Lonely Homes (Alan Hazelden)

• Skipping Stones to Lonely Homes

Enigmash (Zachary H. Polansky a.k.a Jack Lance)

Not core idea. OotSS is about the worlds collide, and characters meet each other. Enigmash is something else. A single character cross different worlds.

• Enigmash by Jacklance (Zachary Harrison Polansky) (Enigmash)

References: