It depends on the specific game. Some games strictly end when the story is completed, while others offer side missions as post-game content. Check the game's documentation or online forums for more details.
After the story missions, you could focus on building your character's skills, customizing your equipment, or joining posses to tackle challenging cooperative tasks. There's also the option to discover hidden locations and unlock secret achievements.
Yes. In Cyberpunk, side missions are often available even after completing the main story. This allows you to further explore the game world and uncover additional content.
Yes. In Red Dead Redemption 2, once you've completed the main storyline, you have the ability to replay missions. This can be really useful. For example, if you missed some details or collectibles during the first playthrough of a mission, you can go back and look for them. Also, it's just fun to replay those intense and engaging missions. The game developers included this feature to enhance the replayability of the game and give players more to do even after they've beaten the main story.
It's not too complicated. Just follow the prompts and instructions that come up during the game. Usually, you'll have clear objectives and guidance to complete the story missions.