Tethys is a scrolling shooter flash game inspired by arcade classics such as Raiden. The entire game is set deep in outer space filled with hostile alien spacecrafts.

Players will be constantly challenged due to the fact that the game is designed to exploit player weaknesses. Tethys features an AI Director that’s explicitly designed to monitor and react to the progress of every battle.

• more than 10 challenging normal enemy ships
• 5 intense and over-the-top bosses
• two separate game modes: Survival mode and Standard mode
• purchasable weapons and upgrades.