The latter is already pretty successful with 100,000 plays, and is currently sponsored. The former is still in development. Give them a play, leave a comment, etc. (Perhaps he'll create a btc tip jar address). If they gain popularity they'll add features, and push for publication, but for now they're out there waiting for people to play them.
So, I tried to play the linked games, but they don't seem to work? They don't seem to be responding to the keyboard?
EDIT: So, I tried it using Firefox instead of Safari and this time it worked.