In Stellar Interface be prepared to run through the universe, discover the numerous perks/consumables and their synergistic effects. Explore the randomly-generated galaxy to find merchants, unlock spacecrafts, collect StellarNetES Cartridges, checkmark your kills of the various galactic overlords.
And die. A lot!

Sudoku Zenkai is a game for beginners and advanced Sudoku players.
It lets you play cooperatively with your friends! You can start a new puzzle with a friend or simply ask one to help you on that tricky one, two heads are always better than one (usually).