3) If you refuse features, you will generally be offered better ones as you play on.
When I tried it I kept getting shipped off to treasure ireland (three maps) however i always ended up on lost.. do you mean I can turn this off?
No, if you play on till you hit "lost", the next time you get the feature you stand a greater chance of being offered something better.
You will see this in UK Fruit Machines that use RTP stabilisation. They will only offer what they are due to pay out, and will always kill off a feature rather than offer something that would put current running RTP too high.
MGS has replicated this RTP stabilisation through, it seems, allowing a "pot" to build, a bit like a hidden progressive, where the only indication of it's size is the highest feature offered before hitting a "lost".
From my play, it seems this pot takes a contribution from the cost of each spin, and reel wins make a further contribution (making the game more complicated to unravel). A sequence of large reel wins seems to inject a large contribution to this pot, and following such a sequence I have noticed the next feature offers considerably more.
When this pot reaches 500x bet, you are likely to see 500x cash offered, or the feature "Treasure Irelend" might be hit.
You may get 500x and then "lose", but the pot value is still there, you will soon hit the top feature if you play on, or you can take lower features for a few games and extract about 500x your stake.
The game is best played when it is "lively", offering nudges frequently, and reel wins and features. When "dead", much of your money is going to the house, and not the pot. This money is probably used to boost the pots of other players, which does seem to be a random process.
The 50K "pot" I had at
32Red must have come from somewhere, probably from other players of the AWP games.
Overall, I would expect whatever system MGS are using to return 95% - in line with other slot games, and far better than the 70% to 74% seen on B & M UK Fruit Machines.