In the Moorhuhn series, Jump'n Run games are obviously not shooting games, but platform ones.
With this one, Moorhuhn decides to discover the underwater kingdom of Atlantis. In each level, over and/or under the water, he will have to collect items, jump over enemies, mummies or carnivorous plants, for example, to kill them, climb at ropes, find powerups such as hearts, red crosses and ammos. Green crystal are save points and red crystals mark the end of a level. Under water, you will find more dangers, such as octopuses and jellyfishes, and you will have to deal with a limited quantity of oxygen.