If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Each day a new mission awaits, bringing you one step closer to her secrets, and a way off this accursed planet.
Arrow keys - Move.
Z - Shoot.
Click the drop-down box at the top-left corner of the main menu to change the language. Complete the mission objectives to complete each level. Pick up DNA cards to play as different characters.
In the Mission Select Menu, you can choose to play new missions as you complete the preceding missions and as they are released (one day at a time). You can also choose to replay previous missions to pick up more DNA cards and improve your score.