Portal: Underground Story Map

the name from "MTN Portal story" to "Portal | Underground story". This story includes part one and part two and also a training room for the second part. We have also renamed the "part one" and "part two" to "Project One" and "Project twO". We hope you like these new names. Features: Project twO # Based on MTN Portal Story | Part One. # More than 45 test chambers. # Level design similar to the original Portal style. # Level difficulty is balanced, like the original. # New gameplay elements, e.g. super jumps and red laser. # Easter eggs and secret chambers. # Several paths and two possible endings. # Awesome storyline. # Epic moments/endings. Don't forget to read the "Read me!" Have Fun!
This Portal story is based on the MTN Portal Story | Part One! This mappack includes around 75 levels, with around five hours of exciting gameplay. The longest custom map so far. We have change