O. Oceansoa. Map centred on Atlantic Ocean | ARDA | Variant | Rules | Designer | Players | Notes |
|---|
| oa01 | Atlantica III | | Fred Davis | 7 | | | oa02 | Atlantica I | | Fred Davis | 7 | | | oa03 | Atlantica II | | Fred Davis | 7 | | | oa04 | Atlantica II-R | | Fred Davis | 7 | | | oa05 | Atlantica IV | | Fred Davis | 8 | | | oa06 | Atlantica IVa | | Fred Davis & Stephen Agar | 8 | |
od. Map centred on Australia and surrounding seas | ARDA | Variant | Rules | Designer | Players | Notes |
|---|
| od01 | Conquest of Australia | | Bob Albrecht | 6 | | | od03 | Australia and Pacific Variant | | Larry Peery | 5 | | | od04 | Federation | Rules | Theo Kermanidis | 8 | |
on. Map centred on Antarctic Ocean | ARDA | Variant | Rules | Designer | Players | Notes |
|---|
| on01 | Antarctica | | G. Long | 6 | |
op. Map centred on Pacific Ocean | ARDA | Variant | Rules | Designer | Players | Notes |
|---|
| op01 | Pacifica ("I") | | Scott Rosenberg | 8 | |
ow. Map centred on World Oceans | ARDA | Variant | Rules | Designer | Players | Notes |
|---|
| ow01 | Seven Seas Diplomacy | | Bjorn Westling | 6 | | | ow02 | Seven Seas Diplomacy | | Bjorn Westling | 6 | | | ow03 | Seven Seas Diplomacy II | | Bjorn Westling | 6 | |
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