Classify the following content as appropriate for children or adults.
A video game involving shooting aliens
The classification of the given content as either appropriate for children or adults would depend on other factors such as the level of violence, graphic imagery, language or themes present in the game. It is worth mentioning that the rating provided by organizations like ESRB or PEGI can be used to determine if the video game is appropriate for children or if it is meant for adult audiences.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the following content as appropriate for children or adults.

### Input:
A video game involving shooting aliens

### Output:
The classification of the given content as either appropriate for children or adults would depend on other factors such as the level of violence, graphic imagery, language or themes present in the game. It is worth mentioning that the rating provided by organizations like ESRB or PEGI can be used to determine if the video game is appropriate for children or if it is meant for adult audiences.