Something causes virtual reality sickness.
One reason is moving or rotating viewpoint.
As for this game, you can play game without rotating viewpoint.

Fixed viewpoint.
3D terrain like old-fashioned wireframe retro game.
Level 1-99.
Not emerge any enemies.
Fly vehicle. Only moving up-down,left-right.

If your vehicle reached the goal,the level would be cleared.
If your vehicle approached a power box,power would be supplied.
Collision deprive power seriously. ( Color of vehicle is red.)
Obstacle field deprive power seriously.
Hyper beam can destroy obstacle fields.
The number of hyper beem is six. you can use without moving up-down,left-right.
There are three kinds of power box level ( blue,purple,pink).