Slope UFO

Slope UFO is a space-themed endless runner. Pilot a flying saucer through a 3D tunnel as your craft automatically flies forward. Use the spacebar or left click to control altitude: hold to ascend and release to descend. React instantly to dodge meteorites and floating rocks. Avoid crashing into the tunnel's floor or ceiling, which causes immediate failure. Survive as long as possible as the game's speed continuously increases.