you are looking for D&D 5e but would you consider Iron Kingdoms, which is a steampunk/fantasy game system? We have three players currently but would like to bring that up to five. The campaign is a mixture of interaction & roleplay, combat encounters, survival, exploration, and puzzles & mysteries. If you want to try it out you would be welcome to come to a session and see if it's what you're looking for. We have our sessions at 5pm CEST on Sundays.