1. Just keeping the game alive is a huge accomplishment.
2. If possible maintain the donation based non-profit model. However, some form of in game incentives for donating would be great.
3. Expand, whenever feasible, game features - powersets, costume pieces, base items etc.
4. Anything that keeps people playing, and possibly drawns in new players, should be pursued. Events, rewards for getting new blood signed up, etc.
5. Merch. Coffee mug.