Intrude – a first-person shooter presented in an old-school style and pixel graphics. The main character goes on a dangerous and important mission. He needs to get inside an abandoned base that was previously captured by militants of a private corporation. You will need to get to the top of the protected area, find the source of the signal and destroy it.

During the walkthrough, the protagonist will collect useful information and get more data on what private military personnel are doing here. The interface displays the number of rounds, the remaining armor value, health and missiles, if any. At the location, the player will need to pick up ammunition and restore HP to increase the chances of further progress in the story. Gradually, opponents become stronger, new species with higher characteristics appear.

The campaign includes 15 consecutive levels, where the central character gradually gets to the source of the signal. The base hides a lot of secret data that will help to find out what the opponents are doing here. In addition to enemies, the user needs to overcome traps or deactivate them by pressing switches or levers. Most enemies attack from a distance, which makes the passage more difficult.