I know its tacky, but how about the Blaenau FFestiniog game? You obviously need to be careful at Minffordd to avoid a Portmeirion plasma flux, but is anyone brave enough? And don't be fooled by the apparently simplistic linear nature of the line. ahem Porthmadog!

Well, Tan-Y-Bwlch seems to be a safe move at this point.

Penrhyn then.

Tanygrisiau, predictably enough.

Trawsfynydd nuclear power station - I know it rather detracts from the landscape, but I can't help that. There were so few options.

Penrhyn - gaining two Welshcakes and a slice of Lavabread.

HAH! Fools! You couldn't resist the laverbread, could you Bob the Dog? How deliciously apt! Mwahahahahah... Minffordd!!! {The laverbread, of course, is from the beach..cue Rover!}

***bounce***bounce****bounce****

Sitting at Porthmadog.

Here Rover! {Attempts Penrhyn, but is completely flummoxed by PENRHYNDEUDRAETH, leading to possible tear in the space-time continuum.} What will our heroes do now?

*makes strange whistling/whirring type noise, although any noise from a large weather balloon is strange* *bounces towards snorgle*