(Yes, I know I'm responding to a 3 month old comment.)
I suddenly had a vision of how KSP would be as a F2P2W...
"Oops, looks like your spaceship has run out of rocket fuel! Your fuel tank will refill over time, but if you want to get back to launching your Kerbals into the wild yonder, you can redeem Kerbal Koins, available at the Kerbal Space Center Dispensary, for a quick top up!"
"Oof, fine, here you go."
"Oops, looks like your spaceship has run out of electricity! Your batteries will refill over time, but if you want to get back to launching your Kerbals into the wild yonder, you can redeem Kerbal Power Krystals, available at the Kerbal Space Center Dispensary, for a quick recharge!"
"Damn you! I'm only going to pay for this because I'm hopelessly addicted!"
"Oops, looks like your spaceship has run out of breathable air! Your air supply will be scrubbed over time, but if you want to get back to launching your Kerbals into the wild yonder, you can redeem Kerbon Dioxide Kanisters, available at the Kerbal Space Center Dispensary, for fresh O2 tanks!"
*Rage-burns radially inwards towards the sun so fast that he destroys the kraken.*