Dan Naylor: "Spelunky is the ultimate “I’ll just have a quick go” game. Advert break in my favourite show? Get the Vita out. It doesn’t matter that I’ll end a run only to realise I’ve missed the rest of the programme, because I nearly reached the Temple that time. One more go to… oh, bat bounced me into some spikes straight away. Well that doesn’t count obviously. Just one more…"