Level 4

''Previous: Level 3 Next: Level 5''

Level 4 is the fourth level in Clash 'n' Slash. Shrapnel is introduced in this level. Unlike other weapon introductory levels that block other weapons, Cannon is also available in this level.

Enemies

 * Red UFO
 * Green UFO
 * Blue Mine
 * Blue Terran Shuttle (First appearance)
 * Rocket Carrier

Obstacles

 * Gray Asteroids

Walkthrough
The level starts with relatively few asteroids orbiting at a great distance from the planet. Almost immediately, the Red UFOs will move in, and so will some Blue Enemy Spaceships. Make the spaceships a higher priority, for they will reach the planet before the UFOs will. Note that the spaceships arrive all at once, and seem to make a perfect ring around the planet. Destroy them first. Once the spaceships are destroyed, some Green UFOs will arrive. Soon after, a couple Blue Space Mines will materialize. After destroying them, the waves will intensify, and there will seem to be an even quantity of both types of UFOs. Soon after, a much larger cluster of Space Mines will appear. Take them out before returning focus to the now-smaller waves of UFOs, which will reintensify after gradually getting weaker. Two Giant Rockets will emerge. They travel at the same speed as Green UFOs, and their detached Rockets much faster. Take them out first, as well as any UFOs that are too close to the planet. Then finish off the remaining UFOs.